This month’s MSDN magazine talks Windows Phone 7 app development. Here’s a taster to whet your appetite:

Windows Phone 7 Development: Sudoku for Windows Phone 7

Windows Phone 7 Apps: Build Data-Driven Apps with Windows Azure and Windows Phone 7

Don't Get Me Started: The Secret to a Successful Windows Phone 7 App

The Working Programmer: Want to build a Windows Phone 7 app that sells? Forget cool; remember useful.

Browse at your leisure here.

If you’re interested in developing for Windows Phone 7, you’ll find everything you need to get started at the App Hub.