... about the Windows Phone 7. 5 operating system andthe corresponding Windows Phone SDK 7. 1. The Windows Phone 7. 1 SDK includesseveral new features, such as fast application switching, background ... covers■Introducing Windows Phone 7 ■Understanding the hardware■Porting applications from other platforms■Developing for Windows Phone 4CHAPTER 1A new phone, a new operating system phone, ... application bar, and the Windows Phone navigation model. 3A new phone, a new operating system Windows Phone 7 is more than a new operating system. Windows Phone 7 is anoperating system, a powerful...