Gameplay is simple: you need to match the rectangle color to the moving object's color, which moves from top to bottom. Just one click to change color.
You can play this game whenever you're travelling via train, don't know what to play, no mobile data and need to kill some time, etc.
![Coloring Games: Coloring Book, Painting, Glow Draw By RV AppStudios [English] screenshot 5](https://i.ytimg.com/vi/NAKctif7Nyo/mqdefault.jpg)
9Apps 4.9
