diff --git a/android/android/app/build.gradle b/android/android/app/build.gradle
index 5e1fbbc..da5ae5c 100644
--- a/android/android/app/build.gradle
+++ b/android/android/app/build.gradle
@@ -104,6 +104,19 @@ android {
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }
     }
+
+    // ABI-Split: nur arm64-v8a (jedes Android-Phone seit ~2017). Bringt die
+    // APK von ~136 MB auf ~35 MB — relevant weil ONNX Runtime + die anderen
+    // Native-Libs sonst pro Architektur dazukommen. Wer 32-bit oder Emulator
+    // braucht, kann hier "armeabi-v7a", "x86_64" etc. ergaenzen.
+    splits {
+        abi {
+            enable true
+            reset()
+            include "arm64-v8a"
+            universalApk false
+        }
+    }
 }
 
 dependencies {
diff --git a/android/build.sh b/android/build.sh
index 6370024..dc22df6 100755
--- a/android/build.sh
+++ b/android/build.sh
@@ -167,10 +167,23 @@ export CI=true
 
 if [ "$MODE" = "debug" ]; then
     ./gradlew assembleDebug
-    APK_PATH="app/build/outputs/apk/debug/app-debug.apk"
+    OUT_DIR="app/build/outputs/apk/debug"
 else
     ./gradlew assembleRelease
-    APK_PATH="app/build/outputs/apk/release/app-release.apk"
+    OUT_DIR="app/build/outputs/apk/release"
+fi
+
+# Mit ABI-Splits heisst die APK z.B. app-arm64-v8a-release.apk statt
+# app-release.apk. arm64-v8a-Variante zuerst probieren (das ist unser
+# Standard), Universal-APK als Fallback falls Splits deaktiviert sind.
+if [ -f "$OUT_DIR/app-arm64-v8a-${MODE}.apk" ]; then
+    APK_PATH="$OUT_DIR/app-arm64-v8a-${MODE}.apk"
+elif [ -f "$OUT_DIR/app-${MODE}.apk" ]; then
+    APK_PATH="$OUT_DIR/app-${MODE}.apk"
+else
+    echo -e "${RED}Keine passende APK in $OUT_DIR gefunden${NC}"
+    cd ..
+    exit 1
 fi
 
 cd ..