Inspiration:

Explore this section and discover some existing Windows Phone 7 apps to spark your creativity:
Windows Phone 7 App Demos
Check out this video demo that runs through some helpful apps for Netflix, Twitter, Flixter, Travelocity, and Open Table.
Watch the video »
Windows Phone 7 YouTube Channel
Visit the Windows Phone 7 YouTube channel to see a wide variety of app demo videos: Everything from news viewing apps, to apps that allow you to purchase and view comic books, to social media apps.
Check out the demos »
The Dream.Build.Play Challenge
Check out the top games from the Dream.Build.Play Challenge 2010. See how others have brought their games to life using XNA Game Studio 4.0.
Check out the games »
Xbox LIVE on Windows Phone 7
Take a look at just a few of the amazing
Xbox LIVE games that you can play on
Windows Phone 7.
Watch the video »