If ExtraWindow is implemented, I think we can do something like this.

https://www.youtube.com/watch?v=I4Ekj9ga-5M
If S520's ExtraWindow had been merged, I think it would have been natural and possible to do this with a large screen display, but leeser3 made a negative decision because the processing would be increse heavy at the before. I'm sadly.

I think there is a demand for displaying multiple views on multiple screens at the same time, even if the processing is heavy depending on the person. What do you think?

I think leezer3 mean the current renderer not powerful and optimal enough for multi view.

Although if the user have powerfull computer and gpu like rtx series it maybe get bottlenecked by our renderer, if our renderer not optimized with that scenario.

I think it's different for people who know that it's slow unless they have the highest performance environment, and that they can do it if they agree it, and that they can't do it at all because they don't have the freedom to choose.
0 or not 0 makes a big difference.
In order to create such an environment, it is necessary to set up a special system that sends location information to the tablet, receives it separately and displays it, or just builds a high-spec PC, so anyone can easily do it.
I think that the difference is big, and I continue to propose it.