A few settings of NuKit itself.
Autostart on system login is the recommended setting so NuKit is always on.
Show icon in Dock toggles displaying of NuKit icon in Dock and ⌘Tab menu. Requires restart of NuKit.
Сheck for updates automatically will keep your NuKit up to date.
Automatically reindex applications allows NuKit to watch over applications on your Mac and notice if something has changed.
Turning this option off as well as disabling Spotlight daemon may reduce hard disk activity, but don’t forget to run manual reindex regularly, otherwise new apps won't appear in Launcher.
Show Caps Lock state shows notification about current Caps Lock state every time it changes.