It sounds like you're looking for a PSP version of Resident Evil 4, but there’s an important clarification:
While Capcom never released an official UMD (Universal Media Disc) of RE4 for PSP, the modding and emulation community has made it possible. This guide will walk you through what “RE4 on PSP” actually means, the technical requirements, legal considerations, and a step-by-step process to get it running smoothly.
In this long-form article, we will explore what gamers are actually looking for, the legal risks involved, the technical reality of running RE4 on a PSP, and the modern alternatives that won't put your device or digital safety at risk.
Conclusion
Method 2: OnLive (Dead Service)
For a brief, magical moment in 2011, you could stream Resident Evil 4 to the PSP via the OnLive cloud gaming service. That required a constant Wi-Fi connection and a subscription. OnLive shut down in 2015. Those files are useless.

