Instead of searching for a non-existent PSP file, use these verified methods to play Leon’s adventure on your mobile device: 1. AetherSX2 (PS2 Emulator) – Best for Original Feel

Some "PPSSPP" versions are actually mods of games like Syphon Filter or Army of Two with Resident Evil skins. Real Ways to Play Resident Evil 4 on Android

The PPSSPP emulator is designed to play . Because Capcom never developed a PSP version of Resident Evil 4, a true ISO file for this platform does not exist.