Microsoft just released the My Server 2012 R2 application at the Windows Phone Store. The app helps keep you connected to your server resources through Windows Phone devices. You can manage users, devices, alerts, and access shared files in Windows Server 2012 R2 Essentials. This is the first version of the app, so let the team know if you have any feedback.
Windows Server 2012 R2 Essentials is a cloud-enabled server for small businesses. It simplifies the integration of cloud-based applications and services such as Microsoft Office 365 and Windows Azure. The My Server 2012 R2 application for Windows Phone helps control access to your business data and lets you work remotely using your smartphone.
Thanks for the tip safesax2002!