PancakeSlaughter: set it up with NoIP (or a similar service) and it gives you very straightforward remote desktop on a Windows pc.
Reviewed in Awesome Android apps - daily updates
with this app you can do your work in your PC remotely via your Android device. This app enables you to connect to a remote PC and work resources, anywhere you are. This app features, access via Remote Desktop Gateway, Remote Desktop Protocol and Remote FX for multi touch support, high quality video and audio streaming and many more.