It was announced in 2012, and it has had no development since 2011, and hasn't shipped anywhere either. It wouldn't have been a flop if there wasn't a lot of hype in the tech ecosystem about it as a result of the announcement, but if you announce something you stopped working on a year before and going on four years later haven't come back to, while proprietary smart TVs have basically taken over store shelves in the intervening years, its a flop.