Fly the plane to pick up water and drop it into the water tanks. Avoid the trees and the birds. Every tank you fill with water earns you a point. 3 points will earn you a medal. This is an infinite scroll game.
To control the plane, with your left thumb hold on the screen and steer the plane up and down front and back. Skim over the water to pick up a load of water and hold the screen to carry the water. When you release the screen, the water will drop. The objective is to drop the water into the water tanks.