It is currently in an "Alpha" stage, meaning it is not the complete game. What it includes:
While there is no official version Grand Theft Auto: San Andreas how to play gta san andreas on psp free
You cannot play natively on a standard PSP. If you absolutely must play San Andreas on a handheld, it is highly recommended to use a modern smartphone (Android/iOS) where the game is officially available and optimized. If you are stuck with a PSP, play Vice City Stories —it is the closest gameplay experience to San Andreas that runs perfectly on the hardware. It is currently in an "Alpha" stage, meaning