This is the iPad based gesture controller for AR Drone that we wrote at @NodeCopter Brighton.
We essentially added ar-drone functionality to the app in the http-trackpad module by @trevordixon
Tap with three fingers.
Drag upwards with two fingers.
Drag downwards with two fingers.
Use one finger and swipe left.
Use one finger and swipe right.
Use one finger and swipe up.
Use one finger and swipe down.
Once connected to your AR Drones wifi network. Run the app like so;
node http-trackpad/app.js
On your ipad's browser visit your computer's ip at port 8080 e.g. http://192.168.0.4:8080
For more information read the http-trackpad Readme