“Manokwari is a desktop shell for GNOME 3 with Gtk+ and HTML5 frontend. Manokwari is used by BlankOn Linux distribution.”
Manokwari is a home roasted package and available from Sparky repositories; can be installed in two ways:
1. Sparky APTus provides an option which lets you install one of 20 about desktops, including Manokwari, alongside an existing desktop.
2. By APT:
sudo apt update sudo apt install sparky-desktop-manokwari