Through the PPSSPP Emulator, players can map touch controls or use external Bluetooth controllers for better precision during intense combat.
Capcom released a native "Mobile Edition" for Android years ago, though it was later removed from the Play Store.
Install the free or Gold version from the Google Play Store.
Unlike the GameCube, PS2, or PC versions, Resident Evil 4: Mobile Edition for PSP was not a direct port. Due to the PSP’s single analog stick and lower resolution (480x272), Capcom produced a modified version featuring:
This is widely considered the best way to play the classic RE4 on modern Android devices.