If you specifically want to use the PPSSPP emulator, consider the official GTA titles released for the PSP: GTA: Liberty City Stories GTA: Vice City Stories GTA: Chinatown Wars

While the idea of a 50MB highly compressed GTA San Andreas for Android or PPSSPP is a popular search topic, it is important to understand the technical reality versus the viral claims often found online. The Myth of the 50MB "Full" Game Original Game Size : The authentic Grand Theft Auto: San Andreas APK for Android typically requires 3–4 GB of free storage for its game data. Even the Definitive Edition starts at roughly The 50MB Reality