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Free Flight’s a good start, though. It gives you realtime access to the AR.Drone’s onboard video cameras, which let you see in front of or below the copter’s current location, plus controls: what looks like a left joystick is actually a button that takes the drone out of “hover” mode and into accelerometer control mode, while the right icon is a joystick that controls altitude (up/down) and rotation (left/right). At bottom center is a button that makes the drone land and take off. An Emergency button at the top is used to immediately cut off all power to the rotors, which will cause the copter to drop like a rock if it’s in flight; the landing button provides a more controlled descent. The battery level for the AR.Drone is also shown in the top-right corner as both an icon and a percentage, although the percentage can sometimes be hard to read while in-flight depending on what is being displayed by the on-board camera; a different font or black background would have been helpful here.