Capcom never officially ported the 2005 classic to the PSP. While the game has appeared on nearly a dozen platforms—including PlayStation 2, Wii, iOS, Android, and Nintendo Switch—the PSP was skipped in favor of a canceled project titled Resident Evil: Portable .
The PSP version of Resident Evil 4 is a highly compressed ISO file that reduces the game's size, making it easier to download and store on the PSP console. The game features the same storyline and gameplay as the original version, but with some minor changes to accommodate the PSP's hardware. Resident Evil 4 Psp Iso Highly Compressed Download 200