ROM Browser:
    Digital Pad Up/Down: Select a game
    Left/Right trigger: Fast scroll
    A: Start a game
    Right Analog stick Left/Right: Cycle through screenshots
    White: Add/Remove from favorites
    Y: Go to top of the list
    Digital pad Left/Right: Selects a game in the next/previous letter
    of the alphabet
    Back: View arcade information 
    Start: View arcade images 

Emulation:
    Right Analog Stick click: Pause emulation

Menus:
    Right Analog stick Up or A: Increase value or accept
    Right Analog stick Down or X: Decrease value
    B: Cancel or exit

