It seems, for some unknown reason, Nokia’s Windows Phone Video Director app has been unpublished from the Windows Phone Store.
The app is a companion to Nokia’s Windows RT Video Director application and makes it easy to transfer video recorded on your phone to the tablet.
Update: Thanks Cesar for locating the app, which of course does not show up when you search the Windows phone Store, but does when tapping your phone to your Nokia Lumia 2520 tablet.
The actual app can be found here.
Thanks Kristian for the tip.