Build Windows Phone 7 Applications

There are two ways to build Windows Phone applications.

Using Silverlight to build interactive (RIA) applications
Build games using XNA

Here are some wonderful articles written by our authors.

How to play with Windows Phone 7 Emulator
Building your first Windows Phone 7 Application Using XNA 4.0
Image Viewer for Windows 7 Mobile
Creating a Windows Phone 7 Application consuming data using a WCF Service
Country Application for Window 7 mobile
Consuming basic REST service in Windows 7 mobile application
Picture Gallery for Windows 7 Phone using WCF REST Service
Hosting WCF service in Windows Azure and consuming in Window 7 phone app
Fixing of ODATA or WCF Data Service Client library bug for Windows7 Phone

To use these videos, you must have Windows Phone 7 Developer SDK and Visual Studio 2010 installed on your machine.

Here is a list of 12 video sessions, Andy and Rob demonstrates how to build Windows Phone applications and games.

Session 1: Introduction
Session 2: Building a Silverlight Application, Part 1
Session 3: Building a Silverlight Application, Part 2
Session 4: Building Games for the Windows Phone 7 Platform
Session 5: Building XNA Games for the Windows Phone 7 Platform, Part 1
Session 6: Building XNA Games for the Windows Phone 7 Platform, Part 2
Session 7: Advanced Application Development, Part 1
Session 8: Advanced Application Development, Part 2
Session 9: Advanced Application Development, Part 3
Session 10: Marketing Your Windows Phone 7 Application
Session 11: Working with Media
Session 12: Final Silverlight Topics and Wrap-Up

If you decided to write any cool Phone apps, don't forget to share with us.