Just like the Dynamic Island, NotchNook expands out from the notch, revealing a “Nook” with basic media controls (sort of like Live Activities in iOS) and other customizable widgets. Then there’s a “Tray” tab that you can drop files or apps into; it’s similar to the macOS dock, except that the tray empties when you quit NotchNook.

You access this by clicking on a tab that blends in with the notch, or by swiping downward…