Red On Challenge on PCRed On Challenge, coming from the developer Dev Sports Limited, is running on Android systerm in the past. No more eyeing the battery or frustrating calls at the wrong time any more.Just enjoy Red On Challenge PC on the large screen for free！Red On Challenge IntroductionThe Red On Challenge (ROC) is an artificial intelligence coaching platform designed by world leading Tactical Athlete coaches. ROC will provide you with an unrivalled foundation of strength and stability before optimising human performance with the most bespoke programme on the market. Designed to suit you, your ability, your equipment, and your changing environment, the challenge is you v you. Train like a Tactical Athlete today and be ready for anything tomorrow by challenging yourself to be greater than yesterday.