Witch game is better for psp? ?

Witch sooting game is better for psp with better graphics? Socom fireteam brovo 3? Metal gear solid? Grandtheft auto? Or any other shooting game for psp i wanna shooting game for my psp but idk witch one if some has another game thats better than these tell me cause i just want a new gane thats a good one and with alrite graphics?