You have to tap the blue hex button to pass along the energy from the yellow hex, back into the system. Your accuracy, speed, and overall performance are measured per-move so do not diddle along or your score will suffer.
1. A bar going up the center to show progress of the system.
2. Bonus values awarded for accuracy and no miss-tapped buttons.
3. Score bonus for being speedy!
4. Ranking system at the end of each game so you can compete with your friends.
Those are couple, play to find them all!
So get yours today and see what the fun is all about.