Good point. I think it would be fixable by using the Change Time instead of the Modify Time, because that changes when moving the copy over the original.
> Multiple citizens faced police raids, investigations, fines, or suspended sentences (jail risk if violated) for online posts calling Green politician Robert Habeck derogatory names like "idiot" or "moron," or sharing mocking memes [...]
The police raids were done because of the posted Nazi images, NOT because of the Habeck insults.
Sure thing, as long as it doesn't require any permissions. I have installed multiple apks on my phone from unknown people. Note that Google's requirement is also for completely permissionless apps like games.