The Windows Azure Toolkit for Windows Phone 7
The Windows Azure Toolkit for Windows Phone 7 is designed to make it easier for you to build mobile applications that leverage cloud services running in Windows Azure.
The toolkit includes Visual Studio project templates for Windows Phone 7 and Windows Azure, class libraries optimized for use on the phone, sample applications, and documentation.
For further details and download see - https://watoolkitwp7.codeplex.com/