Many creators take the existing PSP game GTA: Vice City Stories and apply "textures" and character skins to make it look like GTA 5.
: Even "fixed" versions often suffer from frequent crashes, disappearing textures, and broken missions because the original PSP engine cannot handle the heavy scripts added by modders. Gta V Iso File Fixed Download For Ppsspp -psp- On Android
If you still want to play the PSP GTA games on your Android: Many creators take the existing PSP game GTA: