A dot with an arbitrary color will move up and down.
In order to pass through line, color of dot should match to color of line.
Tap the screen to match the color of the center line to color of the dot.
A dot with an arbitrary color will move up and down.
In order to pass through line, color of dot should match to color of line.
Tap the screen to match the color of the center line to color of the dot.