You can now easily package Android games using Castle Game Engine to the AAB format (instead of APK). New Build Tool command-line options allow to execute: castle-engine package --target=android --package-format=android-app-bundle Will package to the new AAB format. castle-engine package --target=android --package-format=android-apk Will package to the traditional APK format. The --package-format=android-apk is right now the default …