: Due to scoped storage, folders in Android/data/ may appear empty. You may need to use a File Manager with "All Files Access" to see files in those directories.
: Look for a subfolder named game/saves within the game's directory. joiplay save file location
The (for XP games) stores saves in the same location: /Android/data/com.joiplay.joiplay/files/[Game Name]/Save/ : Due to scoped storage, folders in Android/data/
Simply copy your backup files back into the exact same [Game Name] folder. Overwrite if prompted. After copying, restart JoiPlay to refresh the save list. : Due to scoped storage