While you cannot play Uncharted 4 , you play the official PSP entry in the series using PPSSPP.
Any website claiming to offer an “Uncharted 4 PPSSPP ISO” is either: Uncharted 4 Ppsspp Iso Download For Android
This appears to be a distribution of Uncharted 4 packaged as a PPSSPP (PSP) ISO for Android. In practice, Uncharted 4 is a PlayStation 4 title and has never been officially released for PSP or Android; any “Uncharted 4 PPSSPP ISO for Android” is very likely an unofficial, fan-made conversion, a mislabeled file, or a pirated/unauthorized copy. Treat claims of a full, authentic Uncharted 4 playable on PPSSPP/Android with strong skepticism. While you cannot play Uncharted 4 , you
: Some Uncharted games have been released for PS4, and there are remastered collections available. Users interested in playing Uncharted games should look into purchasing these official releases. Treat claims of a full, authentic Uncharted 4
Uncharted 4: A Thief's End was a visual masterpiece for the PlayStation 4, designed to push that console to its limits. Because of this, a native "ISO" file of the actual PS4 game cannot run on the PPSSPP emulator, which is built specifically for PlayStation Portable (PSP) hardware.