STP writes: "Two of the most popular themes on the App Store are doodle graphics and physics puzzlers. Combine the two, and you get Doodle Bomb. Experienced players will likely find it too simple for their tastes, but otherwise it sets a new standard for future physics puzzle games.
In Doodle Bomb, your goal is to place a bomb near a green switch box in order to turn it on and open a door. The twist is that you will need to deal with other obstacles first. This is often done by activating blue switch boxes, which turn on wheels and elevators."