If you are looking at the game's quality based on the versions that did release:

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Captain America: Super Soldier PSP Download – Experience the Ultimate WWII Action

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brings the high-flying, shield-slinging action of Marvel's First Avenger to the PlayStation Portable (PSP). While the game originally launched alongside the 2011 Marvel Cinematic Universe film, it features its own unique storyline penned by renowned comic writer Christos Gage.

If you want a superior Captain America portable experience, try: