Just hot off the press – the SDK team have just released a Windows Azure Toolkit for iOS and have announced one for Android as well. Read more in the link below:

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

This will allow the discerning developer to offer the broadest possible choice for his/her customers.