Microsoft HoloLens is not all about just holographic 3D apps it can also run Windows Universal Platform (UWP) apps as well.
None of that should be surprising as Microsoft has been boasting UWP apps being able to run on all 'end points' for PC and Mobile computing since day one. But in case you were wondering here are the native UWP Microsoft apps that work with HoloLens. It is also important to drill the home the idea that universal apps are really just that.
Full story from the WindowsCentral blog...