This release does not have a Play Store Description, so we grabbed one from version 13.0.39.0:
With the Edge screen, enjoy a faster and more convenient mobile experience.
The Edge screen provides the Edge panel for fast access to various applications and information,
and Edge lighting alerts your application notifications using lighting.
■ Edge panel
– Register installed applications, features, and contacts to the Edge panel to access them quickly and easily on any screen.
– Run the applications registered to the Edge panel through a pop-up window.
– Set your device to use two applications from the Edge screen at the same time using a split-screen view.
– Download different Edge panel designs that provide various information and features from the store.
※ The pop-up window and split-screen mode are not available in some applications.
■ Edge lighting
– Get pop-up or lighting notifications for the applications you want.
– Choose from the various provided lighting effects and customize the color, transparency, width, and notification length how you want.
– Set the lighting color for an application or for notifications containing specific keywords.
– Open a pop-up window by dragging down the notification pop-up or tap it to instantly go to the application in full screen mode.