diff --git a/PlayIntegrityAPI/android-client/app/build.gradle.kts b/PlayIntegrityAPI/android-client/app/build.gradle.kts
index 597ba7d2..4c0865b3 100644
--- a/PlayIntegrityAPI/android-client/app/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/app/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.compose)
diff --git a/PlayIntegrityAPI/android-client/app/src/androidTest/java/com/android/security/samples/playintegrityapi/HomeScreenTest.kt b/PlayIntegrityAPI/android-client/app/src/androidTest/java/com/android/security/samples/playintegrityapi/HomeScreenTest.kt
index 10e94586..d739a04d 100644
--- a/PlayIntegrityAPI/android-client/app/src/androidTest/java/com/android/security/samples/playintegrityapi/HomeScreenTest.kt
+++ b/PlayIntegrityAPI/android-client/app/src/androidTest/java/com/android/security/samples/playintegrityapi/HomeScreenTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi
 
 import androidx.activity.ComponentActivity
diff --git a/PlayIntegrityAPI/android-client/app/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/app/src/main/AndroidManifest.xml
index 643f31b7..7ce02ac3 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
diff --git a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/PlayIntegrityApplication.kt b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/PlayIntegrityApplication.kt
index 26b671dd..d0ad98c6 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/PlayIntegrityApplication.kt
+++ b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/PlayIntegrityApplication.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi
 
 import android.app.Application
diff --git a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/navigation/HomeNavigation.kt b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/navigation/HomeNavigation.kt
index db77b1d4..5f6e942c 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/navigation/HomeNavigation.kt
+++ b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/navigation/HomeNavigation.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.navigation
 
 import androidx.navigation.NavController
diff --git a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/Home.kt b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/Home.kt
index 61e4159c..aa7d5733 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/Home.kt
+++ b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/Home.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.ui
 
 import androidx.compose.foundation.BorderStroke
diff --git a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/MainActivity.kt b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/MainActivity.kt
index d8fbffd7..96a8cbe5 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/MainActivity.kt
+++ b/PlayIntegrityAPI/android-client/app/src/main/java/com/android/security/samples/playintegrityapi/ui/MainActivity.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.ui
 
 import android.os.Bundle
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_background.xml b/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_background.xml
index 07d5da9c..9ca291fd 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_background.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_foreground.xml b/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_foreground.xml
index 2b068d11..61056595 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -1,3 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index 6f3b755b..d1cbb5d5 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@drawable/ic_launcher_background" />
     <foreground android:drawable="@drawable/ic_launcher_foreground" />
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
index 6f3b755b..d1cbb5d5 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@drawable/ic_launcher_background" />
     <foreground android:drawable="@drawable/ic_launcher_foreground" />
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/values/colors.xml b/PlayIntegrityAPI/android-client/app/src/main/res/values/colors.xml
index f8c6127d..b0d2df32 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/values/colors.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/values/colors.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <color name="purple_200">#FFBB86FC</color>
     <color name="purple_500">#FF6200EE</color>
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/values/strings.xml b/PlayIntegrityAPI/android-client/app/src/main/res/values/strings.xml
index 474ab9f1..3f2a9e81 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/values/strings.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/values/strings.xml
@@ -1,3 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <string name="app_name">PlayIntegrityAPI</string>
     <!-- Home Screen -->
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/values/themes.xml b/PlayIntegrityAPI/android-client/app/src/main/res/values/themes.xml
index 6d230a9f..e4112688 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/values/themes.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/values/themes.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
 
     <style name="Theme.PlayIntegrityAPI" parent="android:Theme.Material.Light.NoActionBar" />
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/xml/backup_rules.xml b/PlayIntegrityAPI/android-client/app/src/main/res/xml/backup_rules.xml
index 4df92558..0a9f5ce4 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/xml/backup_rules.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/xml/backup_rules.xml
@@ -1,4 +1,21 @@
-<?xml version="1.0" encoding="utf-8"?><!--
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<!--
    Sample backup rules file; uncomment and customize as necessary.
    See https://developer.android.com/guide/topics/data/autobackup
    for details.
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/xml/data_extraction_rules.xml b/PlayIntegrityAPI/android-client/app/src/main/res/xml/data_extraction_rules.xml
index 9ee9997b..6d62cb21 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/xml/data_extraction_rules.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/xml/data_extraction_rules.xml
@@ -1,4 +1,21 @@
-<?xml version="1.0" encoding="utf-8"?><!--
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<!--
    Sample data extraction rules file; uncomment and customize as necessary.
    See https://developer.android.com/about/versions/12/backup-restore#xml-changes
    for details.
diff --git a/PlayIntegrityAPI/android-client/app/src/main/res/xml/network_security_config.xml b/PlayIntegrityAPI/android-client/app/src/main/res/xml/network_security_config.xml
index 1487d44a..efa3edea 100644
--- a/PlayIntegrityAPI/android-client/app/src/main/res/xml/network_security_config.xml
+++ b/PlayIntegrityAPI/android-client/app/src/main/res/xml/network_security_config.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <network-security-config>
     <!-- Allow cleartext(i.e HTTP) traffic ONLY for your local development environments -->
     <domain-config cleartextTrafficPermitted="true">
diff --git a/PlayIntegrityAPI/android-client/app/src/screenshotTest/kotlin/com/android/security/samples/playintegrityapi/ui/HomeScreenShotTest.kt b/PlayIntegrityAPI/android-client/app/src/screenshotTest/kotlin/com/android/security/samples/playintegrityapi/ui/HomeScreenShotTest.kt
index d379da2f..2382b08c 100644
--- a/PlayIntegrityAPI/android-client/app/src/screenshotTest/kotlin/com/android/security/samples/playintegrityapi/ui/HomeScreenShotTest.kt
+++ b/PlayIntegrityAPI/android-client/app/src/screenshotTest/kotlin/com/android/security/samples/playintegrityapi/ui/HomeScreenShotTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.ui
 
 import androidx.compose.runtime.Composable
diff --git a/PlayIntegrityAPI/android-client/build.gradle.kts b/PlayIntegrityAPI/android-client/build.gradle.kts
index 8913056f..c8e95f38 100644
--- a/PlayIntegrityAPI/android-client/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     alias(libs.plugins.android.application) apply false
diff --git a/PlayIntegrityAPI/android-client/core/integrity/build.gradle.kts b/PlayIntegrityAPI/android-client/core/integrity/build.gradle.kts
index d86ac58f..ecb8694a 100644
--- a/PlayIntegrityAPI/android-client/core/integrity/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/core/integrity/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 import java.util.Properties
 
 plugins {
diff --git a/PlayIntegrityAPI/android-client/core/integrity/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/core/integrity/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/core/integrity/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/core/integrity/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/IntegrityRepository.kt b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/IntegrityRepository.kt
index ff762a71..0ff00f1f 100644
--- a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/IntegrityRepository.kt
+++ b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/IntegrityRepository.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.integrity
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/Utils.kt b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/Utils.kt
index f5e67934..64e851b2 100644
--- a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/Utils.kt
+++ b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/Utils.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.integrity
 
 import android.util.Base64
diff --git a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/di/IntegrityModule.kt b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/di/IntegrityModule.kt
index 1e6f917d..f0811d30 100644
--- a/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/di/IntegrityModule.kt
+++ b/PlayIntegrityAPI/android-client/core/integrity/src/main/java/com/android/security/samples/playintegrityapi/core/integrity/di/IntegrityModule.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.integrity.di
 
 import android.content.Context
diff --git a/PlayIntegrityAPI/android-client/core/network/build.gradle.kts b/PlayIntegrityAPI/android-client/core/network/build.gradle.kts
index bececd17..60ab58e1 100644
--- a/PlayIntegrityAPI/android-client/core/network/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/core/network/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.hilt.android)
diff --git a/PlayIntegrityAPI/android-client/core/network/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/core/network/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/core/network/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/core/network/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/NetworkConstants.kt b/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/NetworkConstants.kt
index 264f5cc7..5bf50bd3 100644
--- a/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/NetworkConstants.kt
+++ b/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/NetworkConstants.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.network
 
 object NetworkConstants {
diff --git a/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/di/NetworkModule.kt b/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/di/NetworkModule.kt
index 72fd67a2..9344ad6c 100644
--- a/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/di/NetworkModule.kt
+++ b/PlayIntegrityAPI/android-client/core/network/src/main/java/com/android/security/samples/playintegrityapi/core/network/di/NetworkModule.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.network.di
 
 import com.android.security.samples.playintegrityapi.core.network.BuildConfig
diff --git a/PlayIntegrityAPI/android-client/core/ui/build.gradle.kts b/PlayIntegrityAPI/android-client/core/ui/build.gradle.kts
index 3f54f322..bb2c03ed 100644
--- a/PlayIntegrityAPI/android-client/core/ui/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/core/ui/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.compose)
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/core/ui/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/components/LoadableButton.kt b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/components/LoadableButton.kt
index cb378722..7e00e8fb 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/components/LoadableButton.kt
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/components/LoadableButton.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.ui.components
 
 import androidx.compose.animation.AnimatedContent
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Color.kt b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Color.kt
index b23e12e9..ed7716f0 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Color.kt
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Color.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.ui.theme
 
 import androidx.compose.ui.graphics.Color
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Shape.kt b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Shape.kt
index fbe7a818..bec6653e 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Shape.kt
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Shape.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.ui.theme
 
 import androidx.compose.foundation.shape.RoundedCornerShape
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Theme.kt b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Theme.kt
index e6d8ebd2..35b476c2 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Theme.kt
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Theme.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.ui.theme
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Type.kt b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Type.kt
index 2016ec5e..a10cbe74 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Type.kt
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/java/com/android/security/samples/playintegrityapi/core/ui/theme/Type.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.core.ui.theme
 
 
diff --git a/PlayIntegrityAPI/android-client/core/ui/src/main/res/values/strings.xml b/PlayIntegrityAPI/android-client/core/ui/src/main/res/values/strings.xml
index 05d5888a..3cc1daa9 100644
--- a/PlayIntegrityAPI/android-client/core/ui/src/main/res/values/strings.xml
+++ b/PlayIntegrityAPI/android-client/core/ui/src/main/res/values/strings.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <string name="navigate_back_content_desc">Navigate back</string>
 </resources>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/feature/bank/build.gradle.kts b/PlayIntegrityAPI/android-client/feature/bank/build.gradle.kts
index a9c700b7..d0357881 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/feature/bank/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.compose)
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/bank/BankScreenTest.kt b/PlayIntegrityAPI/android-client/feature/bank/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/bank/BankScreenTest.kt
index c289e1c5..5817e974 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/bank/BankScreenTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/bank/BankScreenTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank
 
 import androidx.activity.ComponentActivity
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/feature/bank/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/remote/BankApiService.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/remote/BankApiService.kt
index d393e828..f783e028 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/remote/BankApiService.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/remote/BankApiService.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.data.remote
 
 import com.android.security.samples.playintegrityapi.core.network.NetworkConstants
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/repository/BankRepository.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/repository/BankRepository.kt
index ee3b68e9..7775da81 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/repository/BankRepository.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/data/repository/BankRepository.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.data.repository
 
 import com.android.security.samples.playintegrityapi.feature.bank.data.remote.BankApiService
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/di/BankModule.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/di/BankModule.kt
index 495aa9d6..4780dc10 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/di/BankModule.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/di/BankModule.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.di
 
 import com.android.security.samples.playintegrityapi.feature.bank.data.remote.BankApiService
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCase.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCase.kt
index 4fa58eaa..5b354a78 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.domain
 
 import android.util.Log
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankScreen.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankScreen.kt
index 81d7f076..5eb04ef8 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankScreen.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankScreen.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.ui
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModel.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModel.kt
index 1aa84949..aeed9533 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModel.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModel.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.ui
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/navigation/BankNavigation.kt b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/navigation/BankNavigation.kt
index 750703ae..d7680654 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/navigation/BankNavigation.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/java/com/android/security/samples/playintegrityapi/feature/bank/ui/navigation/BankNavigation.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.ui.navigation
 
 
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/main/res/values/strings.xml b/PlayIntegrityAPI/android-client/feature/bank/src/main/res/values/strings.xml
index c5dbd378..c0b247ea 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/main/res/values/strings.xml
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/main/res/values/strings.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <!-- Bank Screen -->
     <string name="bank_top_bar_title">BANK</string>
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCaseTest.kt b/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCaseTest.kt
index ecd2e643..d71ac1c8 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCaseTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/domain/SubmitSecureTransferUseCaseTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.domain
 
 import android.util.Base64
diff --git a/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModelTest.kt b/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModelTest.kt
index ca9ad1dc..d5ab4396 100644
--- a/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModelTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/bank/src/test/java/com/android/security/samples/playintegrityapi/feature/bank/ui/BankViewModelTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.bank.ui
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/feature/game/build.gradle.kts b/PlayIntegrityAPI/android-client/feature/game/build.gradle.kts
index f8e1079e..f89a1780 100644
--- a/PlayIntegrityAPI/android-client/feature/game/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/feature/game/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.compose)
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/game/GameScreenTest.kt b/PlayIntegrityAPI/android-client/feature/game/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/game/GameScreenTest.kt
index 55cb9f31..4059b83c 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/game/GameScreenTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/game/GameScreenTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game
 
 import androidx.activity.ComponentActivity
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/feature/game/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/remote/GameApiService.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/remote/GameApiService.kt
index ec179f50..09e5ddab 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/remote/GameApiService.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/remote/GameApiService.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.data.remote
 
 import com.android.security.samples.playintegrityapi.core.network.NetworkConstants
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/repository/GameRepository.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/repository/GameRepository.kt
index 3b329f8c..5bcf9177 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/repository/GameRepository.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/data/repository/GameRepository.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.data.repository
 
 import com.android.security.samples.playintegrityapi.feature.game.data.remote.GameApiService
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/di/GameModule.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/di/GameModule.kt
index 5d008398..e856ae83 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/di/GameModule.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/di/GameModule.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.di
 
 import com.android.security.samples.playintegrityapi.feature.game.data.remote.GameApiService
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GameResult.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GameResult.kt
index ac3c383a..329b5fcb 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GameResult.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GameResult.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import com.google.android.play.core.integrity.StandardIntegrityManager.StandardIntegrityToken
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GenerateIntervalTokenUseCase.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GenerateIntervalTokenUseCase.kt
index 671abb7a..7c0a5308 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GenerateIntervalTokenUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GenerateIntervalTokenUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import android.util.Log
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GetGameUseCase.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GetGameUseCase.kt
index 1633d06b..7b372d06 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GetGameUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/GetGameUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import com.android.security.samples.playintegrityapi.core.integrity.IntegrityRepository
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/InitiateGameUseCase.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/InitiateGameUseCase.kt
index 41d451ba..f54ba657 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/InitiateGameUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/InitiateGameUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import com.android.security.samples.playintegrityapi.core.integrity.IntegrityRepository
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCase.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCase.kt
index de03c196..0585418e 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import com.android.security.samples.playintegrityapi.core.integrity.IntegrityRepository
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameScreen.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameScreen.kt
index d979f167..47651099 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameScreen.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameScreen.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModel.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModel.kt
index 82c0a7a2..538da8ac 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModel.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModel.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui
 
 import android.app.Activity
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/ConfettiCelebration.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/ConfettiCelebration.kt
index 2612d600..bb8f6c6f 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/ConfettiCelebration.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/ConfettiCelebration.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.view.HapticFeedbackConstants
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameArena.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameArena.kt
index 6a8ebc96..e174f836 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameArena.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameArena.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.content.res.Configuration
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameControls.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameControls.kt
index 21ec7481..ab7aa066 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameControls.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/GameControls.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.content.res.Configuration
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/LeaderboardStatusCard.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/LeaderboardStatusCard.kt
index 1eab3e3f..e7fab9c7 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/LeaderboardStatusCard.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/LeaderboardStatusCard.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.content.res.Configuration
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PlanetaryCore.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PlanetaryCore.kt
index 3d134edd..b6abaeb0 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PlanetaryCore.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PlanetaryCore.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import androidx.compose.foundation.Canvas
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PulseAnimation.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PulseAnimation.kt
index 7f5ea93a..d62e4fcb 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PulseAnimation.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/PulseAnimation.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.view.HapticFeedbackConstants
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/SecurityChecklist.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/SecurityChecklist.kt
index 6ec4e6ad..d78422e6 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/SecurityChecklist.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/components/SecurityChecklist.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.components
 
 import android.content.res.Configuration
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/navigation/GameNavigation.kt b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/navigation/GameNavigation.kt
index dc1411c3..de95c4ca 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/navigation/GameNavigation.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/java/com/android/security/samples/playintegrityapi/feature/game/ui/navigation/GameNavigation.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui.navigation
 
 import androidx.navigation.NavController
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/main/res/values/strings.xml b/PlayIntegrityAPI/android-client/feature/game/src/main/res/values/strings.xml
index b07b149f..55e708e1 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/main/res/values/strings.xml
+++ b/PlayIntegrityAPI/android-client/feature/game/src/main/res/values/strings.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <!-- Game Screen Header -->
     <string name="game_top_bar_title">Game</string>
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCaseTest.kt b/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCaseTest.kt
index dc549c3a..1efcd1c9 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCaseTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/domain/SubmitGameScoreUseCaseTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.domain
 
 import com.android.security.samples.playintegrityapi.core.integrity.IntegrityRepository
diff --git a/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModelTest.kt b/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModelTest.kt
index 71f44aee..1fddaf24 100644
--- a/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModelTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/game/src/test/java/com/android/security/samples/playintegrityapi/feature/game/ui/GameViewModelTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.game.ui
 
 import android.os.SystemClock
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/build.gradle.kts b/PlayIntegrityAPI/android-client/feature/streaming/build.gradle.kts
index c8023a14..e263b3ad 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/build.gradle.kts
+++ b/PlayIntegrityAPI/android-client/feature/streaming/build.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 plugins {
     alias(libs.plugins.android.library)
     alias(libs.plugins.kotlin.compose)
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/streaming/StreamingScreenTest.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/streaming/StreamingScreenTest.kt
index a295aaac..45ce0c2f 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/streaming/StreamingScreenTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/androidTest/java/com/android/security/samples/playintegrityapi/feature/streaming/StreamingScreenTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming
 
 import androidx.activity.ComponentActivity
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/AndroidManifest.xml b/PlayIntegrityAPI/android-client/feature/streaming/src/main/AndroidManifest.xml
index a5918e68..c966eb81 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/AndroidManifest.xml
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/AndroidManifest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
\ No newline at end of file
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCase.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCase.kt
index 914df613..508dd0a6 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCase.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCase.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.domain
 
 import android.util.Log
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingScreen.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingScreen.kt
index b5a92ec0..4e623e5f 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingScreen.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingScreen.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.ui
 
 import androidx.compose.foundation.background
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModel.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModel.kt
index 10cae8ab..2f465e71 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModel.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModel.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.ui
 
 import android.content.Context
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/VideoPlayerWidget.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/VideoPlayerWidget.kt
index b75dd76c..608dff9e 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/VideoPlayerWidget.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/VideoPlayerWidget.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.ui
 
 import androidx.annotation.OptIn
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/navigation/StreamingNavigation.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/navigation/StreamingNavigation.kt
index c0ffffc5..fbf59140 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/navigation/StreamingNavigation.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/navigation/StreamingNavigation.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.ui.navigation
 
 import androidx.navigation.NavController
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/main/res/values/strings.xml b/PlayIntegrityAPI/android-client/feature/streaming/src/main/res/values/strings.xml
index 11358a0e..80da060e 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/main/res/values/strings.xml
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/main/res/values/strings.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2026 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
 <resources>
     <!-- Streaming Screen -->
     <string name="streaming_top_bar_title">MEDIA PLAYER</string>
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCaseTest.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCaseTest.kt
index 3513593b..0c9af349 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCaseTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/domain/GetSecureStreamingConfigUseCaseTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.domain
 
 import android.util.Base64
diff --git a/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModelTest.kt b/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModelTest.kt
index 8c8a6f59..8fed6170 100644
--- a/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModelTest.kt
+++ b/PlayIntegrityAPI/android-client/feature/streaming/src/test/java/com/android/security/samples/playintegrityapi/feature/streaming/ui/StreamingViewModelTest.kt
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package com.android.security.samples.playintegrityapi.feature.streaming.ui
 
 import android.content.Context
diff --git a/PlayIntegrityAPI/android-client/settings.gradle.kts b/PlayIntegrityAPI/android-client/settings.gradle.kts
index 3a5ebd60..9d605e93 100644
--- a/PlayIntegrityAPI/android-client/settings.gradle.kts
+++ b/PlayIntegrityAPI/android-client/settings.gradle.kts
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 pluginManagement {
     repositories {
         google {
diff --git a/PlayIntegrityAPI/node-server/app.js b/PlayIntegrityAPI/node-server/app.js
index 96ac99d3..27af441d 100644
--- a/PlayIntegrityAPI/node-server/app.js
+++ b/PlayIntegrityAPI/node-server/app.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const express = require('express');
 const bankController = require('./src/features/bank/bank.controller');
 const streamingController = require('./src/features/streaming/streaming.controller');
diff --git a/PlayIntegrityAPI/node-server/src/config/constants.js b/PlayIntegrityAPI/node-server/src/config/constants.js
index b6355142..8feb82e1 100644
--- a/PlayIntegrityAPI/node-server/src/config/constants.js
+++ b/PlayIntegrityAPI/node-server/src/config/constants.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const HEADERS = {
     PLAY_INTEGRITY_TOKEN: 'x-play-integrity-token'
 };
diff --git a/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.js b/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.js
index 7cdb2947..f4a60fa8 100644
--- a/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.js
+++ b/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const cryptoService = require('../../services/crypto.service');
 const bankPolicy = require('./bank.policy');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.test.js b/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.test.js
index 50b6e648..240fb418 100644
--- a/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/bank/bank.controller.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const bankController = require('./bank.controller');
 const cryptoService = require('../../services/crypto.service');
 const bankPolicy = require('./bank.policy');
diff --git a/PlayIntegrityAPI/node-server/src/features/bank/bank.integration.test.js b/PlayIntegrityAPI/node-server/src/features/bank/bank.integration.test.js
index 1b2b539e..db419a70 100644
--- a/PlayIntegrityAPI/node-server/src/features/bank/bank.integration.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/bank/bank.integration.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const request = require('supertest');
 const app = require('../../../app');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.js b/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.js
index c33a77e4..8c800b74 100644
--- a/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.js
+++ b/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const { INTEGRITY_VERDICTS } = require('../../config/constants');
 
 /**
diff --git a/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.test.js b/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.test.js
index c0bb6695..5a86daec 100644
--- a/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/bank/bank.policy.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const bankPolicy = require('./bank.policy');
 const { INTEGRITY_VERDICTS } = require('../../config/constants');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/game/game.controller.js b/PlayIntegrityAPI/node-server/src/features/game/game.controller.js
index 0bb3dd50..3f2fe15b 100644
--- a/PlayIntegrityAPI/node-server/src/features/game/game.controller.js
+++ b/PlayIntegrityAPI/node-server/src/features/game/game.controller.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const crypto = require('crypto');
 const gamePolicy = require('./game.policy');
 const cryptoService = require('../../services/crypto.service');
diff --git a/PlayIntegrityAPI/node-server/src/features/game/game.controller.test.js b/PlayIntegrityAPI/node-server/src/features/game/game.controller.test.js
index 92c58cc1..95d11559 100644
--- a/PlayIntegrityAPI/node-server/src/features/game/game.controller.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/game/game.controller.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const gameController = require('./game.controller');
 const gamePolicy = require('./game.policy');
 const cryptoService = require('../../services/crypto.service');
diff --git a/PlayIntegrityAPI/node-server/src/features/game/game.integration.test.js b/PlayIntegrityAPI/node-server/src/features/game/game.integration.test.js
index 0b27aba2..22b206cd 100644
--- a/PlayIntegrityAPI/node-server/src/features/game/game.integration.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/game/game.integration.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const request = require('supertest');
 const crypto = require('crypto');
 const app = require('../../../app');
diff --git a/PlayIntegrityAPI/node-server/src/features/game/game.policy.js b/PlayIntegrityAPI/node-server/src/features/game/game.policy.js
index 80095c30..87646a8f 100644
--- a/PlayIntegrityAPI/node-server/src/features/game/game.policy.js
+++ b/PlayIntegrityAPI/node-server/src/features/game/game.policy.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const { INTEGRITY_VERDICTS } = require('../../config/constants');
 
 /**
diff --git a/PlayIntegrityAPI/node-server/src/features/game/game.policy.test.js b/PlayIntegrityAPI/node-server/src/features/game/game.policy.test.js
index 71bf88f5..c5487667 100644
--- a/PlayIntegrityAPI/node-server/src/features/game/game.policy.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/game/game.policy.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const gamePolicy = require('./game.policy');
 const { INTEGRITY_VERDICTS } = require('../../config/constants');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.js b/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.js
index a386afee..bec841a4 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const axios = require('axios');
 const xml2js = require('xml2js');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.test.js b/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.test.js
index 9d3bc9dd..0ac24d2e 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/manifest.service.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const manifestService = require('./manifest.service');
 const xml2js = require('xml2js');
 const axios = require('axios'); // Required to mock specific manifest structures for edge cases
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.constants.js b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.constants.js
index c1ccef35..d787fb53 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.constants.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.constants.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 /**
  * Defines the supported video resolution tiers (height in pixels).
  */
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.controller.js b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.controller.js
index 41eea5be..df05725a 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.controller.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.controller.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const cryptoService = require('../../services/crypto.service');
 const streamingPolicy = require('./streaming.policy');
 const manifestService = require('./manifest.service');
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.integration.test.js b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.integration.test.js
index 7bfc59f0..4473dec5 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.integration.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.integration.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const request = require('supertest');
 const app = require('../../../app');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.js b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.js
index 4249c3e6..8e99b1b8 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const {STREAM_QUALITIES} = require('./streaming.constants');
 const {INTEGRITY_VERDICTS} = require('../../config/constants');
 
diff --git a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.test.js b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.test.js
index 23f7834d..c16673b3 100644
--- a/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.test.js
+++ b/PlayIntegrityAPI/node-server/src/features/streaming/streaming.policy.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const { evaluateStreamQuality } = require('./streaming.policy');
 const { STREAM_QUALITIES } = require('./streaming.constants');
 const { INTEGRITY_VERDICTS } = require('../../config/constants');
diff --git a/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.js b/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.js
index eacd5319..5bea2626 100644
--- a/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.js
+++ b/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const integrityService = require('../services/integrity.service');
 const { HEADERS } = require('../config/constants');
 
diff --git a/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.test.js b/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.test.js
index 721b4879..bad4b4d7 100644
--- a/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.test.js
+++ b/PlayIntegrityAPI/node-server/src/middleware/integrity.middleware.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const extractIntegrityToken = require('./integrity.middleware');
 const integrityService = require('../services/integrity.service');
 const { HEADERS } = require('../config/constants');
diff --git a/PlayIntegrityAPI/node-server/src/services/crypto.service.js b/PlayIntegrityAPI/node-server/src/services/crypto.service.js
index 0065fd26..1920d0fc 100644
--- a/PlayIntegrityAPI/node-server/src/services/crypto.service.js
+++ b/PlayIntegrityAPI/node-server/src/services/crypto.service.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const crypto = require('crypto');
 const stringify = require('fast-json-stable-stringify');
 
diff --git a/PlayIntegrityAPI/node-server/src/services/crypto.service.test.js b/PlayIntegrityAPI/node-server/src/services/crypto.service.test.js
index 88c8aeff..f6c47616 100644
--- a/PlayIntegrityAPI/node-server/src/services/crypto.service.test.js
+++ b/PlayIntegrityAPI/node-server/src/services/crypto.service.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 const cryptoService = require('./crypto.service');
 
 describe('CryptoService.computePayloadHash', () => {
diff --git a/PlayIntegrityAPI/node-server/src/services/integrity.service.js b/PlayIntegrityAPI/node-server/src/services/integrity.service.js
index 6798e5f2..0645e850 100644
--- a/PlayIntegrityAPI/node-server/src/services/integrity.service.js
+++ b/PlayIntegrityAPI/node-server/src/services/integrity.service.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 require('dotenv').config();
 
 const { google } = require('googleapis');
diff --git a/PlayIntegrityAPI/node-server/src/services/integrity.service.test.js b/PlayIntegrityAPI/node-server/src/services/integrity.service.test.js
index 609879e3..47dd5263 100644
--- a/PlayIntegrityAPI/node-server/src/services/integrity.service.test.js
+++ b/PlayIntegrityAPI/node-server/src/services/integrity.service.test.js
@@ -1,3 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 process.env.PACKAGE_NAME = 'com.example.testapp';
 process.env.GOOGLE_CREDENTIALS_PATH = './dummy-credentials.json';