The toggle button for "Show Faceplate" or "Hide Faceplate" is useful for when you want to decide whether you see the GraphWorX for Mobile display with or without its selected Faceplate.
Hide Faceplate
When you want to view the Faceplate, click the same toggle button and the faceplate will reappear as seen below.
Show Faceplate
See Also:
Downloading the Application from Windows Marketplace