I really liked the idea of TV on the go, because I wanted to watch my recordings. Reviewing this site, I realise, sadly, I cannot. However, I saw a Sky TV ad last night where they are doing a similar project which DOES allow you view your own recordings.
I also frustrated that when something is on the TV that I do want to watch (on my mobile) it does not allow me to - it just gives the watch on TV option -- which seems pretty darn pointless if you are "on the go." I am tempted by this new Sky option, and getting thoughtful for the first time about switching providers.