Line of Business Apps need an API in the cloud that authenticates employees, supports occasionally connected apps, performs other mobile app specific functions like push notifications, and talks to existing enterprise systems on premise. Azure Mobile Services allows you to quickly build and host such an API, connect it to your mobile app, and integrate with your existing services on premise. Line of Business apps also need to run on multiple mobile platforms. Xamarin is a framework that allows you to create native iOS, Android, Mac and Windows apps experiences in C# by writing the app logic once. Come and see a live demonstration of Mobile Services, Xamarin, and Visual Studio together making it faster and easier than ever to build cross platform, occasionally connected, enterprise mobile apps.