Allow notifications to open apps in freeform
In addition to the sidebar, you can set apps to open in freeform mode from your notifications.
1. Go to Settings > Gestures > Sidebar.
2.
Tap at the bottom of the screen, then tap (More settings) at top.
3.
Turn Open notifications in freeform on ,
About the Gametime sidebar
If you use Gametime, it has its own sidebar menu that opens apps. You set up the apps for that menu
separately.
Settings : Gestures 209