Microsoft Windows Phone 7 Now Support Silverlight Runtime and Provide Development tools . Windows Phone 7 Provide end –to – end application development environment Visual 2010,Expression Blend with emulator.Rich internet application development is enable no window mobile With NET Compact Framework. You can use Multi touch advantage with Accelerometer for Motion sensing you use mobile camera and mic in silverlight. In Widows Mobile 7 we can use map apis with Location awareness . Control s can be updated there theme from windows mobile 7 UI themes.Show Large Size of image with deepzoom and mulit touch but in.net compact framework Asynchronous delegate calls, specifically the BeginInvoke and EndInvoke methods, are not supported.