If your goal is to experience Leon’s mission on a handheld or mobile device, there are more stable and "official" ways to do so than searching for unverified PPSSPP files:
Unlike the console versions, PPSSPP runs on your phone. You can play Resident Evil 4 during commutes, on flights, or on your couch without needing a TV or dedicated handheld. Ppsspp Games Download Resident Evil 4-
: Some developers have used engines from other PSP games (like Syphon Filter or Army of Two ) to recreate Resident Evil 4 If your goal is to experience Leon’s mission