I am nowhere near creating apps for the mobile community. That doesn't mean I won't be in the future. So, I'm writing this as a "Note to Self" so when the time comes I'll have a nice handy reference.
If you are currently developing mobile apps you may find this discussion on Delphi-PRAXiS helpful and interesting.
How do users easily bring their desktop data to mobile devices?
You may also want to view the following YouTube video called Storage access with Android 11
Enjoy,
Semper Fi
Gunny Mike
https://zilchworks.com