PPSSPP is the gold standard for PSP emulation. It converts PSP games into a format your phone can understand, adding benefits the original hardware lacked:
You tap the game, hear a half-second of music, then the screen goes black and stays black. ben 10 omniverse 2 download for android ppsspp fix
Ensure Buffered rendering is enabled to avoid black screens or missing textures. PPSSPP is the gold standard for PSP emulation