News that a forthcoming software update will allow the Vita to act as a PS3 controller may help counter the appeal of Nintendo's Wii U touchscreen Gamepad controller and Microsoft's Smartglass service, which pairs the Xbox with a tablet.

BBC: Sony acts to boost PlayStation Vita at Gamescom

He said the touchscreen interface with the Wii U Gamepad controller, combined with the main-screen action on a television, opens up options that have never been possible.

CNN: 'Mario,' 'Zelda' creator says give the Wii U time

What would have been really neat is if Nintendo had launched the Wii U with two-touchscreen support so that players could play in co-op on different screens, tackling levels at the same time but also separately, rather than sharing a screen.

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However, the man who brought to life Nintendo legends like Mario, Link and Donkey Kong is preaching patience with the console, saying the Wii U, with its touchscreen controller that augments big-screen play, is so different that it will take time for people to understand its real value.

CNN: 'Mario,' 'Zelda' creator says give the Wii U time