Multi Window mode on Galaxy S9, S9+, and Galaxy Note8 lets you view two apps side by side on a split screen. You can adjust the size of the screens and copy information from one app to the other. To begin multitasking in Multi Window mode, go to Settings, then Advanced Features, enable Multi Window and turn Use Recents on.
Galaxy S9, S9+, and Note8 also let you launch the two apps you often use together with a tap. On the Galaxy S9 and S9+, you can simply access the menu while in Multi Window mode to pair the two apps and place it on the home screen. On Galaxy Note8, swipe left to open the edge screen, then go to Apps edge to set up app pairs.
Discover more about Galaxy for yourself.
* Multi Window functionality may vary by app.