Plain physics mechanics are the main thing. i pour liquids between colorful tubes trying to get each one just right.
Tap a tube then tap another to pour, you select and pour liquids.
The controls are neat tap controls, which is kinda weird anyway. You select a tube then tap to pour.
Most simple tip is to plan moves first. The mechanics involve pouring liquids between tubes to sort colors.
Q: What are the controls? A: Tap controls to select and pour.
Q: What is the objective? A: Get each tube just right.
Q: Are there any stated features? A: Not stated.
Q: What is the main mechanic? A: Pouring liquids between tubes.