WLS App allows Players to Play Instant Ranked + Rated Matches anywhere there is a standard sized Tables and Friends around! WLS is Powered by TTaiR. TTaiR is a powerful next generation Rating System designed specifically for Table Tennis. For the First time ever Players of all Levels have access to a Univerale Local + Global Table Tennis Ranking and Rating that can be accessed and updated from any mobile device worldwide! New features and Updates are happening every week!