The game is called Blue Dragon and its a WW2 flying game controls are:-
Increase Altitude: Left Mouse Button
Decrease Altitude: Don't press anything!
Shoot: Right Click
Lower Landing Wheels: Down arrow key
Raise Landing Wheels: Up arrow key
Increase Speed: Right arrow key
Decrease Speed: Left arrow key
You can't do much in this test apart from fly, shoot at nothing and trying to land on the ship at the end (after the flag, sorry its not marked or anything!) To land decrease your speed to three bars or less and try not to let the plane drop to quickly a nice easy descent will land you ok but try not to overshoot!