[FR] Back command will not close the app

[JoeloJoestar]

Hi there, amazing last update.

Sometimes, I use the Android Back gesture on the main screen, either by mistake or by habit, and the app then gets completely closed, forcing me then to reopen it again next time like I just killed its processes in memory.
In other apps, when you go Back the app goes in background instead of closing itself.

A small request for a small QoL improvement.

Version 1.3.2