MirrorNeko - virtual screen, like MirrorHall, but without #gnome mutter screencast dependency. And written in @vala_lang .
Now i can use my @postmarketOS tablet as 3rd screen :D
Btw, video demo was #ShotOnOnePlus 6.
https://gitlab.com/NekoCWD/mirrorneko#
P.S. I need icon for it
Feel free to draw one