I’m not sure if it’s an Android feature or Samsung feature, but try hitting the sideways hamburger menu (3 vertical lines button that’s always on the bottom} and then holding your finger on the app you want to half screen. See if you notice anything happen… if not it’s a Samsung thing.
I’m not sure if it’s an Android feature or Samsung feature, but try hitting the sideways hamburger menu (3 vertical lines button that’s always on the bottom} and then holding your finger on the app you want to half screen. See if you notice anything happen… if not it’s a Samsung thing.