If you have found a reputable fan-made ISO, follow these steps to get it running on your device:
To get the smoothest experience when emulating high-end titles on mobile, you’ll need hardware that can handle the load.
: Resident Evil 4 (2005) was released for GameCube, PS2, PC, and later remastered for modern consoles and mobile devices. It was never ported to the PSP, meaning a native ISO does not exist.
: Emulators can often scale graphics beyond original hardware capabilities.