Instead of chasing a fake San Andreas ISO, enjoy these official PSP games that run perfectly on PPSSPP:
If you see a "GTA San Andreas ISO" online, it is almost certainly one of two things: A modified version of an existing PSP title like GTA: Liberty City Stories GTA: Vice City Stories designed to look like San Andreas. Homebrew Projects: Gta San Andreas Ppsspp Iso File Download
If you want to play San Andreas on your phone with high-quality graphics and full controls, the PPSSPP emulator isn't actually the best tool for this specific game. You should consider: Instead of chasing a fake San Andreas ISO,