Los Santos Map Elements: While the PSP hardware cannot render the entire HD map, this mod replaces Liberty City textures with Los Santos-inspired environments.

Grand Theft Auto V (GTA 5) for the PSP or the PPSSPP emulator. While many "GTA 5 ISO" files for Android exist online, these are almost exclusively highly modified versions (mods) of GTA: Liberty City Stories or GTA: Vice City Stories designed to look like GTA 5. Regarding your specific search for "xray full":

If you want to play the real GTA 5 on your mobile device, you must use remote or cloud gaming services rather than an emulator:

To play this game, you will need three things: the PPSSPP Emulator (available on the Play Store), a file extractor like ZArchiver, and the ISO/CSO game files.