Since the game was never on the PSP, it cannot be run through PPSSPP.
Recommend that do work perfectly on PPSSPP (like Tomb Raider: Anniversary or Prince of Persia uncharted 2 ppsspp download for android exclusive
for the emulator on Android. Uncharted 2 was developed exclusively for the PlayStation 3 and was never released for the PlayStation Portable (PSP). Why "Uncharted 2 PPSSPP" Downloads are Unreliable Since the game was never on the PSP,
If you are looking for an authentic Uncharted experience on your Android device, there has only been one official release: uncharted 2 ppsspp download for android exclusive
While many online "downloads" claim to offer Uncharted 2: Among Thieves