ROK Entertainment Group, which produces a variety of mobile applications and services, has acquired mobile gaming company Player One. London-based Player One has been around for the last ten years and currently offers a number of mobile games that are backed by high-profile names (including Freddie Flintoff’s Powerplay Cricket, Ronnie O’Sullivan’s Snooker, Jensen Button’s Grand Prix Racing, Frankie Dettori’s Horse Racing and Ernie Els’s Golf). It also offers live video streaming of events and sport-branded wallpapers, ringtones and video clips. [Press release]