The free trial and the full version are actually the same, but you can buy the app if you like it and want to support us.
AR Drone 2 Controller allows you to fly the Parrot AR Drone 2.0 around or do all the animations with your Windows Phone. You can also use voice commands such as "Take off" or "Land".
We are trying to provide with some configurations, and hopefully they will come in the next update.
Video streaming is also not supported yet because of unsupported codec, but we are trying hard to achieve that.