I've been using a separate UPnP app to feed MythTV videos to VLC, but the HD playback is pretty choppy; I'm not sure whether that's due to running a debug version of VLC, or a crappy UPnP app.
So after weeks of waiting for a Beta release and days of clicking on the 'get it on the google store' and finding that it's still not there, I was delighted this morning to discover that the Beta is finally available. Except when I try to install it I find... 'this item is not available in your coun...