1. A handheld gaming system, comprising: a handheld gaming machine configured to play a wagering game; a game controller configured to regulate wagering game play on the handheld gaming machine; and an external module removably affixed to the handheld gaming machine and communicatively coupled to the handheld gaming machine via a connection between the handheld gaming machine and the external module, wherein the external module is configured to be carried along with said handheld gaming machine, the external module including at least one of a specialty player input and a miniature game outcome indicator, the specialty player input, when actuated, providing an input to the wagering game conducted on the handheld gaming machine, the miniature game outcome indicator presenting an outcome of the wagering game conducted on the handheld gaming machine.