How can I see multi videos simultaneously?

Hi, there.

How are you?

I have tried to see multi videos at a same time.
My purpose is to see 8 videos in 3D. They should be played simultaneously.
I use Video Player component in Unity3D.
The device is Oculus Go. Not Standalone.
Of course, on standalone, it is working. But on Oculus Go, no.
I think that it will be same on mobile, too. 

Could you please give me your opinion?

Hope to hear more from you.
Cheers.