The VDI(Virutal Desktop Interface) provides you the desktop like environment, you can open multi-tabs, create shortcuts at here.
Start Menu: Start any webapp from here
Applications: Shortcut for File explorer
USB Mount: Mount or Unmount USB Drive
Volume: Adjust the global volume
Time: Current time
Notifications: Shows all notifications
Right click the start menu, then right click the webapp icon or text to lanuch the selected webapp.
Right click the "X" button.
Right click the empty spaces on Desktop, and click "New", after that choose the file type / shortcut / folder to create.
Right click the empty spaces on Desktop, and click "Download from URL".
Right click the empty spaces on Desktop, and click "Upload to Desktop".
Right click the empty spaces on Desktop, and click "Backgorund", then you can choose the theme.
Right click the empty spaces on Desktop, and click "Refresh".