We have made available Windows Azure toolkits for mobile development for iOS, Android and Windows Phone:

Link to announcement: http://blogs.technet.com/b/microsoft_blog/archive/2011/05/09/microsoft-announces-windows-azure-toolkits-for-ios-android-and-windows-phone.aspx

Screencasts are available for developers seeking additional information:

Links to access the free toolkits are below:

iOS:

Windows Phone 7: