Used to fast transition between two windows virtual desktops using only one key.
It calculates the current virtual desktop and goes to the next or last accordingly.
user start script in Desktop 1:
Left Win + Tab goes to Desktop 2
Left Win + Tab again goes back to Desktop 1
user start script in Desktop 2:
Left Win + Tab goes to Desktop 1
Left Win + Tab again goes back to Desktop 2
You can change the above keys to one or other combinations as you wish.
one day...