In London, Canonical, Ubuntu Linux’s parent company, revealed its tablet interface. This, according to the company, is its "next step towards one unified family of experiences for personal computing on phones, tablets, PCs and TVs." ...
"Multi-tasking productivity meets elegance and rigorous security in our tablet experience," said Mark Shuttleworth, founder of Ubuntu and Canonical in a press call. “Our family of interfaces now scales across all screens, so your phone can provide tablet, PC and TV experiences when you dock it. That's unique to Ubuntu and it's the future of personal computing." [zdnet.com...]
I remember incrediBILL talking about that potential somewhere here on WW in the recent past -- having a phone that can do everything when docked. I can't remember if he was referring to something that was already capable or the direction we're heading in. This announcement by Canonical indicates it's their goal and is certainly a step in that direct.
There's a video floating around with a Galaxy Note 2 connected to a TV and multitasking, so the technology is there already I would say. Whether the user experience is right is something I imagine Canonical are looking to address.