Tesco and Asda have been winning market share from Sainsbury's in the so-called store wars, which have seen heavy discounting of food prices.

BBC: Sainsbury profits slump

Publisher Rockstar Games sells "Grand Theft Auto: Chinatown Wars" in Apple's App Store, but this is the first game in the series to be released on Google's Android platform.

CNN: Mark Milian,

The Windows Phone Store has more than 120, 000 quality apps and games, including hits such as "Angry Birds Star Wars, " "Cut the Rope, " Disney's "Where's My Water, " LivingSocial, Urbanspoon and many more.

ENGADGET: ATIV Odyssey hitting Verizon January 24th for $50 Mobile