1) The document discusses developing games for Windows Phone 7 using XNA. It provides an overview of the Windows Phone hardware platform and application platform. 2) It then summarizes the XNA game development framework, which allows for rapid creation of 2D and 3D games across Xbox, Windows, and other platforms. 3) Examples of XNA games for Windows Phone 7 are provided, including a popular duck hunting game, and a demonstration is offered. Questions are invited at the end.