diff --git a/.gitignore b/.gitignore
index 6199707..83dc146 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,4 +37,5 @@ UserInterfaceState.xcuserstate
 out
 *.apk
 .env*
-dist/
\ No newline at end of file
+dist/
+*.aab
\ No newline at end of file
diff --git a/scripts/android-build.sh b/scripts/android-build.sh
index d0a6223..ae1330e 100755
--- a/scripts/android-build.sh
+++ b/scripts/android-build.sh
@@ -4,8 +4,11 @@ set -e
 source .env
 
 UNSIGNED_APK="platforms/android/app/build/outputs/apk/release/app-release-unsigned.apk"
+UNSIGNED_AAB="platforms/android/app/build/outputs/bundle/release/app.aab"
 VERSION=`node -pe "require('./package.json').version"`
-RELEASE_FILE=saza-v$VERSION.apk
+RELEASE_VERSION=saza-v$VERSION
+AAB_RELEASE_FILE=$RELEASE_VERSION.aab
+APK_RELEASE_FILE=$RELEASE_VERSION.apk
 
 
 [[ -z "$SAZA_KEYSTORE" ]] && { echo "Error: SAZA_KEYSTORE not found"; exit 1; }
@@ -16,11 +19,29 @@ RELEASE_FILE=saza-v$VERSION.apk
 echo "Building production release ..."
 ionic cordova build android --prod --release
 
-echo "Signing apk ..."
-jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $SAZA_KEYSTORE $UNSIGNED_APK $SAZA_KEYSTORE_ALIAS
+echo "Build android app bundle aab ... "
+cd platforms/android/
+./gradlew bundle
 
-echo "Run zipalign on apk ..."
-~/Android/Sdk/build-tools/29.0.3/zipalign -f -v 4 $UNSIGNED_APK $RELEASE_FILE
+cd ../..
+
+if [[ "$SIGN_SAZA_RELEASE" = "false" ]] 
+then
+    echo "Not signing release ..." 
+    cp $UNSIGNED_APK $APK_RELEASE_FILE
+else
+    echo "Signing apk ..."
+    jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $SAZA_KEYSTORE $UNSIGNED_APK $SAZA_KEYSTORE_ALIAS
+
+    echo "Signing aab ..."
+    jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $SAZA_KEYSTORE $UNSIGNED_AAB $SAZA_KEYSTORE_ALIAS
+
+    echo "Run zipalign on apk ..."
+    ~/Android/Sdk/build-tools/29.0.3/zipalign -f -v 4 $UNSIGNED_APK $APK_RELEASE_FILE
+fi
+
+
+cp $UNSIGNED_AAB $AAB_RELEASE_FILE
 
 echo "Android production build completed..."
-ls -alh $RELEASE_FILE
\ No newline at end of file
+ls -alh $RELEASE_VERSION*
\ No newline at end of file