Samsung phones have App Edge that works like a mini home screen pane of information.
There is a pane called Edge Widgets that allows you to put Widgets on this.
However, widgets cannot be resized on this & stay the size they are. With how the widgets for KWGT work ( starting as 1x1) this prevents more complex widgets from being possible on this bar.
With the possibility of having natural 1x2, 2x2, & 2x3 widgets, they will be able to be used to make this Edge panel better.