Samsung Enhance the Edge Screen in Android 6.0 Marshmallow

With the release of Android 6.0 Marshmallow for the Galaxy S6 Edge, Samsung is also enhancing the edge screen that made it so unique. Now, users can expand the edge screen to a full 550 pixels, People edge and Apps edge received some UI changes, Quick tools has been added to the Tasks edge panel, and you can customize the Edge handle by location, size and transparency.

source: xdadevelopers