Features:
-VOR and heading displays.
-Show / Hide radial lines
-Fly mode.
-Optionally, control the flight with the device's accelerometer.
-Wind correction.
-Test mode. Very similar to FAA VOR orientation questions. Shows you a number of airplanes around a VOR station. You have to choose the right one by adjusting the OBS and reading the instruments.
-Panel can be customize to be on either left or right side of the screen (left-handed people may find it more comfortable to choose the left panel in the settings).