If you search online, you will find numerous websites, YouTube videos, and download links claiming to offer an Uncharted 3 PSP ISO file. It is critical to exercise caution, as these files generally fall into one of three categories: 1. Modded Games (Reskins)
While you cannot play Uncharted 3 via a PSP ISO, Sony did create a fully realized, standalone Uncharted experience specifically for handheld gaming: . uncharted 3 psp iso
If you are looking for an authentic, portable Uncharted experience, playing Uncharted: Golden Abyss on a PS Vita (or via a Vita emulator like Vita3K on PC and Android) is the only official route. How to Play the Real Uncharted 3 Portably Today If you search online, you will find numerous