Question: how to open multi window in android pie?
Answer: 1 Tap the Recents apps button., 2 Tap the respective app icon above the wanted app window., 3 Tap “Open in split screen view”., 4 The app will attach to the top of the screen but won´t be ready to use. ... , 5 Swipe left or right to find the second app you wish to open and tap it.