Fader for the Selected track

In Mackie Control, Is it possible to add a fader for selected focused single track? as like in Edit/ Primary Parameter: Increase or Decrease. it will be added to the Channel faders.

Unfortunately, I don't know of any way to make a Mackie Control fader focus on the selected track. (Technically it may be possible, but since the Mackie Control protocol isn't publicly available it's hard to tell. The protocol documentation I have found - mostly reverse-engineered by other enthusiasts - does not mention anything like this. )

If you are using Cubase, you can do that using a Control Change button and create a Generic Remote device that references Mixer - Selected - Volume.

I guess that other DAWs have similar remote control possibilities but since I don't have any detailed knowledge of that I can't guide how to configure it.