Roaming_DataLet's say you want to create a sticky note app that lets you add a sticky note on your Windows 8 desktop computer. Then this sticky note is sent to a live tile on your Windows 8 phone and your Windows Surface, so you simply can't forget or ignore it! Windows Azure Mobile Services helps you easily put together Windows Store and Windows 8 phone apps that can do this.

See how at http://blogs.msdn.com/b/silverlining/archive/2013/04/17/access-roaming-data-in-the-cloud.aspx.