The Blue Fox Tracker is a mobile app released for you to use for airsoft events. DesertFox Airsoft explains this more as this is one of the first offerings of this DesertFox Events website... "The Blue Fox Tracker is a companion app for my new airsoft production game company, Desert Fox Airsoft Events. The Blue Fox Tracker will track players, score points and allow admins  along with commander to communicate directly with all players almost instantly."