gnome-flashback binary package in openKylin Nile V2.0 arm64

 GNOME Flashback continues the traditional desktop interface which was used
 in GNOME 2.x, but using modern GNOME technologies.
 .
 This package provides a helper application for the GNOME Flashback
 desktop session. This application:
  - provides the Logout, Reboot and Shutdown dialogs;
  - provides the Sound, Bluetooth and Power tray applets;
  - implements screenshot and screencast functionality;
  - implements input source switching functionality;
  - draws desktop background and icons;
  - implements other functionality which was previously handled by
    gnome-settings-daemon.

Source package