While the Xfinity TV app on the platform has handled streaming duties since 2010, the dedicated player has a different menu and even player interface, and we wouldn't be surprised to see the feature excised from the general app eventually.
The example we saw was a simple radio with a a pair of dials and a speaker, and when the iPad's camera was pointed at it, a circular interface along with a menu system popped up that cannily tracked the radio.