The PSP shared a massive chunk of its library with the PS2. Games like Grand Theft Auto: Liberty City Stories , Tekken 5 (via Tekken: Dark Resurrection ), and Star Wars: Battlefront run beautifully on 32-bit Android devices using the highly optimized, free PPSSPP emulator.
Instead of forcing your phone to do the heavy lifting, let a powerful PC run the emulator and stream the gameplay to your phone. emulator ps2 32 bit android
Seamlessly handles the complex memory spaces required by the Emotion Engine. The PSP shared a massive chunk of its library with the PS2