- ARMY HOP! is a game that challenges your reflexes and reaction time. - Play now and feel new KPOP music challenges wherever you are. ***HOW TO PLAY*** 1. Touch, hold and drag to 2 sides to control the ball to jump on the tiles. 2. Don't "fall" off the track! 3. Relax, enjoy KPOP music and challenges designed specifically for each song. The ball will dance to the beat of KPOP music. Listen to …