iOS and Android devices and their respective app stores have revived the individual- and small- publisher game industry. App downloads in Apple's iTunes store - mostly games - now exceed song downloads. Developers are learning or refreshing game development skills to capitalize on this trend. A first step is understanding simple, 2D game design. We start at the beginning - presenting basic 2D graphics, animation, and game development on the iPhone platform. We introduce concepts such as basic sprites; versatile sprite class design; drawing, transforming, and animating sprites; and simple game engines. Hands-on activities apply these concepts to create a simple but functional prototype. Although we focus on the iPhone/iPad, concepts apply to any platform. No experience required.