Data Backups and ModJoy: A Guide for Older Android Devices

https://greenapkspot.hexaforgey.com/posts/building-better-android-habits-around-account-login-security-with-apkmodjoy

Data backups protect important files, settings, and game progress before an install, update, rollback, or removal. Older Android devices can still be useful, but they often need more care with app versions and resource use