Since this is a fan port, use these settings to reduce glitches:

The search for a reliable Resident Evil 4 PPSSPP zip file download can be daunting, given the numerous sources available online. However, after successfully installing the game via a highly reputable PPSSPP zip file, I can confidently say that the effort was well worth it.

. Consequently, there is no official ISO or ROM file that runs natively on the PPSSPP emulator

If you want the true Resident Evil 4 experience on your phone, skip the PPSSPP search and try these methods instead:

file into your phone's storage, ideally a folder named "PSP/GAME".