Open RetroArch. Go to Main Menu -> Import Content -> Scan Directory . Navigate to your ROMS folder. Let RetroArch do its thing. Pro tip: If it doesn't find the games, your ROM names might be weird, or the Core isn't downloaded.
Use an app like ZArchiver on your phone. Extract the pack to a folder you can easily find, like Storage/emulated/0/ROMS/ . Pack Roms Para Retroarch Android
The best tool for the job? . It’s the Swiss Army knife of emulation, handling everything from Atari 2600 to PlayStation 1. Open RetroArch
The Ultimate Guide to ROM Packs for RetroArch on Android: Relive the Golden Age Let RetroArch do its thing
But RetroArch is just the engine. You need the fuel: .
Download "Tiny Best Set: Go," point RetroArch to the folder, and spend your weekend replaying your childhood.