App Pair on Galaxy S10e, S10, S10+, Galaxy S9, Galaxy S9+, and Galaxy Note9 is a convenient way to streamline your multitasking. By pairing two apps you often use together in Multi Window mode, it makes it easy to open those two apps at once from the Home screen. To pair two apps together on the Galaxy S9, Galaxy S9+, and Galaxy Note9, open them in Multi Window mode, then press on the line separating the two windows. A menu will pop up, and when you tap on the plus-sign icon to the far left, the pair will be added to the Home screen for instant access in the future.
To pair two apps together with Apps Edge on Galaxy Note9, swipe left to open the Edge panel. Tap on a plus sign to add an app to the Edge panel, and the option to Create App Pair will appear in the upper right corner of the screen. Select the two apps that you would like to open simultaneously, and tap Done. Now you've got paired apps that you can easily access from your Edge panel.
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*Certain apps may not support App Pair.