For the absolute "better" experience, many retro gamers opt to run these PSP ISOs on the via a PC, Android device, or modern console.
Independent developers have built impressive, heavily modified games using older engines (such as the Quake mobile engine or Resident Evil 2 assets) to replicate the look, over-the-shoulder camera, and atmosphere of Resident Evil 4 on the PSP. resident+evil+4+psp+iso+download+better
Since a native PSP version doesn't exist, the "better" ISO you're looking for is actually a of the PlayStation 2 version, stripped down and optimized. It’s often called RE4 PSP – Final Version or RE4 Lite in forums. For the absolute "better" experience, many retro gamers