What is the practical function of Samsung s8 curved side screen?

S8 Method of setting curved side screen: Set-Display-Curved side screen-Curved side screen panel-Slide switch.

After opening, drag the touch button on the right side of the screen to set the following functions: application side screen, character side screen, intelligent multi-screenshot, clipboard side screen, reminder, weather, Sina Finance, calendar and Sohu News. You can click the gear icon at the bottom of the screen to select the function of the side panel.