A Flight Simulator, Mode 2 RC joystick touch controls.
Fly experimental Europa XS or Burt Runtan's Skigull in the Grand Canyon in this Unity3D based app.
Ranked in these QuestionsQuestion Ranking
Pro Fragging the Train is fun
Just click FRAG TRAIN button and you're in a dive on a train of tanker cars.
Con You have to understand how to fly an airplane
Keep up your airspeed or be prepared to auger in.