Resident Evil 4 was never released for the PlayStation Portable (PSP). What You Find Online:

While was never officially released for the PlayStation Portable (PSP), the modding community has worked tirelessly to bring Leon S. Kennedy’s rural Spanish nightmare to the handheld via fan-made ports and "demakes."

has appeared on over 13 platforms, including the PS2, Wii, PC, and even mobile devices. Despite this, the PSP never received a native entry in the series. Official Mobile Versions: Capcom released a Resident Evil 4: Mobile Edition