So far so bad! Apple is loving it (since 10.7) that Mac applications behave like iOS apps - and to swipe to fullscreen. Does not work at all with the current AppleScript that iTunes offers.
Anyway: we are working on a solution (until we will fix that: every day) to display movies in fullscreen mode and handle the switch to music playlists.
If it is not working properly: download manually the updated upload, test it and - if it is still not working - let us know!
So far so bad! Apple is loving it (since 10.7) tha...