Hi Folks!
 
Today I'm playing with ARCore on Samsung Galaxy S8 SM-G950F and Unity 3D. Yes, it's SM-G950F, despite this model is not on list of supported devices, it works! If you are looking for a tutorial I refer you to Getting Started with Unity - Google's official introduction.
 
Here I'm going to describe quickly a problem and solution to it.
 
XXXXX has stopped. Restart app


XXXXX keeps stopping. Close app

 
Solution:
You forgot to install ARCore Service on your android device. Download it and type in terminal: