PSA: if you have a android 13 and up you can't export or import saves.
Edit: for clarification you can't give the app permission like Android 12 and lower can.
But the link below should make it so you can.
Viewing post in Broken Dreams Correctional Center comments
I'm a idiot and didn't read this. https://github.com/Alexofp/BDCC/wiki/User%27s-Permission-Shenanigans
Edit: for clarification this will let Android's 13 and up export and import saves if they follow the instructions.