Grand Theft Auto: San Andreas was never released on PSP. However, the console is still very popular and one of the handheld enthusiasts started porting GTA San Andreas on his own.
The fan port is currently in the early stages of development. GTA San Andreas on PSP now has only a small part of Los Santos. The author is working on textures, models, and optimization. Right now the average FPS in the game is 20.
The developer plans to work with timecycle tools and MDLViewer software. He also started using re3 code. Before that, the port code was created by an enthusiast from scratch.