Coca-Cola has unveiled a mobile game Just Dance Now and released a wearable fitness and sleep monitor to help encourage teens to live more active lifestyles. People can download the game via iTunes and Google Play,The launch marks the latest phase in Coca-Cola's ongoing 'Movement Through Happiness' campaign and follows the renewal of its global partnership with entertainment content brand Ubisoft, The GBP50 Flash Fitness monitor -- a result of a tie-up with Misfit, will be available in the UK from November.