This application was the first I've developed that uses the new Silverlight 3 Navigation feature. It navigates through a wizard-like set of pages to demonstrate the capabilities of One App. From the site, "Microsoft OneApp is a new software application that enables feature phones—commonly found in emerging markets—to access mobile apps like Facebook, Twitter, Windows Live Messenger, and other popular apps and games." Click here to check out the demo, and go to http://www.microsoft.com/oneapp for more info.
(Bubble animations adapted from code in Foundation Silverlight 3 Animation by Jeff Paries)