This document outlines a two-day training on developing applications for Windows Phone 7. Day 1 covers why to develop for the Windows Phone platform, an overview of Windows Phone 7 and 8, and an introduction to Visual Studio and the application lifecycle. Trainees build a simple "Hello World" application. Day 2 focuses on additional controls, designing apps, and the submission process. The document provides background details on Windows Phone 7 versions and hardware, and discusses monetizing apps through paid, in-app purchase, and advertising models.