diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 4d7ca38..32bfc89 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -33,6 +33,8 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths"></meta-data>
         </provider>
+        
+        <meta-data android:name="com.google.android.gms.ads.APPLICATION_ID" android:value="@string/admob_app_id"/>
     </application>
 
     <!-- Permissions -->
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
index 00f85b2..5e1daf7 100644
--- a/android/app/src/main/res/values/strings.xml
+++ b/android/app/src/main/res/values/strings.xml
@@ -4,4 +4,5 @@
     <string name="title_activity_main">Quick Dungeon Crawler on Demand!</string>
     <string name="package_name">com.thomaspeissl.quick_dungeon_crawler_od.twa</string>
     <string name="custom_url_scheme">com.thomaspeissl.quick_dungeon_crawler_od.twa</string>
+    <string name="admob_app_id">ca-app-pub-4928248831407961~9898960459</string>
 </resources>