Plain graphics are the first thing i notice when i start. The sand looks real and moves under my finger.
Step touching the screen starts a new drawing line, i move my finger to make shapes.
The app lets me create new art without any limits. The controls are just touch and swipe, there is no button to press.
Most quick tip i found is to draw with slow strokes. The sand reacts better when i move my finger gently.
Q: What are the controls? A: Touch and swipe.
Q: What is the objective? A: Draw on the sand.
Q: Are there any stated features? A: Not stated.
Q: What is the main mechanic? A: Waves wash away the drawing.