Native AR in Xamarin mobile application -

i've been looking on internet if there way develop application uses ar natively on xamarin mobile (ios , android) .

i found video of presentation frank a. krueger in event xamarin evolve 2014 (https://www.youtube.com/watch?v=hlfn7y_y_hi) , demo code on github (https://github.com/praeclarum/ardemo) .

apparently frank managed develop ar natively on xamarin . wonder if possible or possible using tool , such as:

• vuforia wikitude artoolkit etc