Step 1: Go to the "Connection" module and click "App Pages" located under "App Management"
Step 2: Click the edit icon next to the home page or folder you would like to remove titles from
Step 3: Click the edit icon next to the card you would like to remove the title from
Step 4: Select the check box labeled "remove title" and click "Save"
Checking this box will also remove the title from the card on your PWA website.
This will allow you to add the title of your card into the image that is chosen for the "Card Background Image" if you so choose.