Depends on who does the validation. I've never had a problem downloading downstream forks on F-Droid, because more often than not the authoritative source is ra

Depends on who does the validation. I've never had a problem downloading downstream forks on F-Droid, because more often than not the authoritative source is ranked right above it. The big problem for iOS users that want iGBA/Delta is that they can't download it to their device, despite the fact that the code is already written and freely available. Now third-parties are taking advantage of that demand. This would be circumvented if the legitimate version was easy to get. Deceptive forks should still be removed at the store/repository's discretion, but the same goes for proprietary knock-offs like the Lastpass trojans and fake banking apps. It's less of an "Open Source" issue and more of an "App Store" one.