What you need to apply this ...

   - KLWP Pro Key
   - Nova Launcher Prime
   - In Nova and KLWP select 2 screen
   - This app work in perfect Galaxy s8 and G6 maybe in other phones you need adjust minimal things.
   - Done

And for This beautiful icon on the dock you can get this for my good friend Sikebo here ...
https://play.google.com/store/apps/details?id=com.sikebo.simpax.icons

Remember ...

   Don`t Stop & Customize not the same be together