Make a group of displays, copy one screen to others to make
them show the same content. The content may from a sender
device or it can be anything on the display.
Touchback control is only available when casting entire desktop and needs
to be authorized from the server-side in device management page.
When multi-screen sharing at the same time, touchback only available on the
maximized screen.
Touchback could not be used on mobile systems (Android, iOS) due to system
limitation.
For the Interactive Display that supports free-form mode, the sharing content
could be shown as a window by sliding down from the top of the screen.
3.4.3.3 Device Management
Device management page shows all connected device status, and do
several quick controls.