If you are looking for the best "GTA 5" experience on your handheld, these are the highest-rated fan projects: GTA V Legacy Edition: Features updated HUD and weapon wheels.

These are usually GTA: Vice City Stories or Chinatown Wars with modified textures to look like Los Santos.

Open ZArchiver and extract the file to a folder named "GTA 5."

A custom, fan-made ISO that runs on PPSSPP, featuring modified assets to fit the PSP engine.

Even the best ISO files can encounter technical bottlenecks if your emulation parameters are configured incorrectly. Black Screen on Launch