: Locate a reputable source for the GTA San Andreas PSP ISO or Compressed Zip file. Extract the Files : Use a file manager or extraction tool like to decompress the Set Up PPSSPP PPSSPP app

: Modders often provide "highly compressed" versions, reducing the game size to approximately 360MB – 370MB for easier downloading while maintaining core gameplay. Enhanced Graphics & Visuals

If you still wish to use the PPSSPP emulator, these are available as ISO files (you must dump them from your own UMD or purchase digitally from PlayStation Store on a real PSP/PS Vita):