I would think some type of settings screen would be helpful to everyone. You could also add an option to turn free play/unlimited credits off or on since some people are complaining about free play. That way people can choose if they want it off or on and everyone is happy. Also, maybe you can have an option in your settings menu as to what button combos would bring up an in game menu. On the in game menu you could have options to save the game, load a game, return to game, return to games list or return to dashboard. The button combo you use to get to this in game menu would be determined by what the user selected in the expanded settings menu. Either right thumbstick, back + start or perhaps just the start button by itslef like many of the old consoles used.