A new survey from PopCap shows a third of all mobile phone users in the UK and USA have played a game in the past month, and a quarter have played in the past week. Before the introduction of smartphones like the iPhone, game-playing usage hovered around 5 percent. The increase has come due to the much easier availability of games in Apple's App Store, which outsold all similar online stores several times over last year, and the huge popularity of games like Angry Birds.
Exactly 33.6 percent played a game in the past month -- played, not bought, however. 24.6 percent played in the past we
