The Windows Phone 7.1 application lifecycle has been designed in a way that it can run multiple applications in the background. Today we will discuss about the Lifecycle of Windows Phone 7 (Mango) apps. Here we will learn about various states of Windows Phone 7 application life cycle. This is an important chapter of the tutorial series to learn about the execution model before developing any application product. Read to know more about this topic and at the end don't hesitate to leave your feedback or queries if any.