Problem with ARtoolKit on Android

Hello, I have a problem with ARToolKit, when I compile Example SimpleScene and test it on an Android device’s screen goes blue and the camera can not see, but when I close the app, while closing see an image of the camera. What I can do?

Hi I have probelm with ARTOOLKIT for Android.

I want ask if you buy some special licence?

I read on

That you must have Unity Pro + Android Pro licence for Android