Aug 03 2016 | 7:36 am EDT DanielMark

Yes, actually Samsung Gear VR headset was created to run with a Samsung phone. You do not need a PC to use Samsung Gear VR headset.
There are headsets like Oculus Rift that require a PC to actually work and there are headsets like Google Cardboard that allow you to play VR games or run VR programs straight from your mobile phone. That's a question of virtual immersion system. Immersion into a virtual reality world is the perception of being present in a non-physical environment. And it depends in bigger part from the type of the headset that you use. You can read more about it for example here : https://appreal-vr.com/blog/virtual-...-how-it-works/
It is interesting actually. Let's see where the world of innovation would take you.