Windows Phone is Microsoft's mobile operating system and software development platform.
Windows Phone is a mobile operating system developed by Microsoft, and is the successor to its Windows Mobile platform.
- Windows Phone 7.0 (deprecated): Silverlight and XNA
- Windows Phone 7.5: Silverlight and XNA (note that the development platform version is 7.1)
- Windows Phone 8: Silverlight, C++ with the Windows Phone Runtime (WinPRT). XNA is supported but you cannot target a XNA project to Windows Phone 8. XNA Apps targeting OS 7.1 will run on 8, though.