This app was removed from the App Store.
Desktop Groups Lite
Mac OS Productivity
Legacy version for existing customers who ran into the WWDR certificate issue.
Do not buy or download here. Click on the Purchases tab and re-download the app from there.
The folder that contains the files in your groups is now called "All Your Desktop Groups Files" instead of just "Desktop Groups" so that it shows up at the top in Finder for easier access.