If you want the true, uncompromised, 100% authentic Grand Theft Auto: San Andreas experience on your phone with full radio stations, voice acting, and the complete storyline, emulation may not be your best route.

Enable "Lazy Texture Caching" in the System settings of PPSSPP.

– It has empire building, jet skis, and a tropical map. Liberty City Stories is good but darker and smaller.

If you own the or PC version of GTA San Andreas, you can legally dump the game and use conversion tools like PS2PSP (a tool to convert PS2 ISOs to PSP format). However, this process is technical and not recommended for beginners.