SDK version is too low (it requires API level 21)

[JEWEL]

Minimum SDK... Play Store doesn't like my .aab

minSdk21.aix (4.0 KB) Import and drag it onto the screen.

Or you might follow this guide:

Minimum SDK... Play Store doesn't like my .aab

This is a new feature of Google Play and has nothing to do with extensions. Specifically, Google now by default has a feature called "Automatic Protection" for apps, which if turned on injects new code into the AAB before it is converted into APKs to be distributed to users. The code Google injects requires the app be min SDK 21. It looks like if you turn it off you can upload AABs created by App Inventor without issue (like every app ever made up until Google introduced this new mechanism). Her…