This article takes you through the process of getting the tools, registering as a developer, building a basic Silverlight application for Windows Phone 7 (©Copyright Colin Melia 2010), and submitting it to the marketplace.
Getting Started - Application Platform
The available developer tools allow you to build Silverlight and XNA software for Windows Phone 7. For an introduction to the platform see my previous article. In this article, I’ll be showing you how to build a Silverlight application.
The Hub for Applications
Just before device launch Microsoft transformed the Windows Phone 7 developer portal and combined it with the Xbox Creator’s Club, with everything now available in one place called the App Hub.