Where does BlueStacks store my app's data (e.g. save game files)? Where does BlueStacks install my apps and where does it store the data (e.g. saved game files) for those apps?
In Bluestacks 3 and 3N, apps are installed in various Android folders, such as:


/data/app (stores APKs)
/data/app-lib (libraries)
/data/data
and more.


/data/data also contains your app's data (such as save files, whether the app stores game progress locally). You need to root the emulator to access those folders.

Userdata\SharedFolder only contains files that you shared between Windows and the emulator.