Mobile game from CHI&Partners, Mindshare, Candy Space and Kinetic allows commuters to compete for bundles of Argos prizes. Sales via mobile devices now represent 22 per cent of total Argos sales. Milton Keynes, UK, 2014-10-28— /EPR Retail News/ — Leading digital retailer Argos will this week launch yet another innovative element to its new campaign ‘GET SET GO…