If you manage to get it running, remember the golden rule of hypnosis: You cannot be hypnotized against your will. The PSP is just a tool. The power is in your own subconscious. So, find a quiet room, put on your headphones, hold the PSP at eye level, and let the spiral take you back to 2008.
It is likely that you are referring to a niche title, a fan translation, or a specific scene within a game. Possible Contexts Visual Novels or Homebrew:
You don't play the game. The game plays you.