Behind this is the craze for TV widgets, the idea that the TV can be extended in many ways via mobile phone type app shops.
If my experience of similar systems in hotel rooms a decade or so ago, this is an ill conceived concept.
People want to watch video on their TV, not send email.
The real opportunity's with complementing what's going on on the big screen via the secondary or complementary screen, i.e. a PC or mobile.
It's why it'll be worth keeping an eye on what my colleagues at Vidiactive are up to as we come out of stealth mode now that our patent has been filed.