The Microsoft Media Platform team has released version 1.1 of the Player Framework for Windows 8 and Windows Phone 8



From WPCentral:

The release includes a number of improvements, and is targeting developers who are building media apps (much like the Vimeo app - pictured above). The framework supports Silverlight, HTML5, Xbox, as well as Windows 8 and Windows Phone apps. What's interesting to note is that the Windows Phone 8 version of the framework is based on the Windows 8. According to the framework listing over on Codeplex, this release includes the following: Combined Windows 8 and Windows Phone 8 versions into a single Visual Studio extension SDK.

  Microsoft releases Windows and Windows Phone Player Framework update