Microsoft has just pushed out an update for the Remote Desktop Preview app on Windows Phone



From Windows Central:

This app launched in late April 2014 and allows you to to connect to a remote PC using your Windows Phone. Since that first release, we've seen a handful of updates to the app which have provided increased functionality. Today's update to Microsoft Remote Desktop Preview on Windows Phone is notable for allowing you to pin apps to the Start screen.

  Microsoft Remote Desktop for Windows Phone adds ability to pin apps to Start screen