Out of curiosity, what was the limitation of smartphone-based VR? Back in 2016 I had a Samsung phone that could be inserted into a Galaxy VR headset. I played

Out of curiosity, what was the limitation of smartphone-based VR? Back in 2016 I had a Samsung phone that could be inserted into a Galaxy VR headset. I played basic games, but the immersion was there, and it was relatively light.