Have you ever wondered "How did that dev do that"? Listen to Nikola Mihaylov, a Microsoft software engineer, tell the story of how he created his popular photo/painting app for Windows Phone. He explains his unique business model, how he collects user feedback, and the best way to do a usability study. Then read more about how to get started with Visual Studio, Game Development and Windows Azure.
You can then check out his Fantasia Painter app here.