1: Azure Mobile Services, Part 1: Creating a Mobile Service

The Windows Azure Toolkit for iOS provides an easy and convenient way of accessing Windows Azure storage from iOS-based applications. The toolkit works two different ways: accessing Windows Azure storage directly or through proxy services running in Windows Azure.
You get can get the toolkit—and all the source code—on github:
For details on how to get started, see Wade Wegner's post on Getting Started with the Windows Azure Toolkit for iOS.