There are Remote Desktop Client apps for a variety of devices. The Remote Desktop Connection client is automatically built in to Windows PCs but you can download the client app for MACs, iphones, ipads android devices, etc.
Below is the link (as of September 4, 2015) for the Microsoft Remote Desktop Client for Android:
https://play.google.com/store/apps/details?id=com.microsoft.rdc.android&hl=en