I was browsing info on the Microsoft HoloLends, and came across this. It looks like someone created an app that displays a bunch of your additional windows outside of your actual playing area. Pretty neat!

Final Fantasy XIV's Interface Made Futuristic Thanks To HoloLens

DEVELOPER SHOWS OFF ‘FINAL FANTASY XIV’ GAMEPLAY ON MICROSOFT’S HOLOLENS

The second link here points out that they are not sure if this is just a concept drawn out, or if the dev actually pulled it off.

Very interesting example either way.