Samsung Galaxy S9 Manual page 4

Access the edge
With edge screen technology, access people,
information, and apps in a flash.
To turn on the edge screen feature, start at the
Home screen and swipe up for Apps. Then tap
Settings >
Apps edge
Create shortcuts to access frequently
used apps.
People edge
See missed calls and message notifications
from your important contacts.
Smart select
Capture images and GIF animations.
Display > Edge screen.
Swipe to view
edge screen.
Drag a
notification for
more details.