To add or change an App's Learning Resources you must first be in the 'Configure' section and scroll down to the 'Learning Resources' Template. Once there you can set the Learning Resources:
Tick the 'Help Enabled?' check box to add App help at the published level. Once saved, the users can access Template Help (if configured) by clicking on the 'i' icon found in the header bar of Templates.
To see how to add Template Help Text, click here.
If desired, a Subject Matter Expert can be selected via the dropdown from the site's list of active Users. When enabled, the User's Name and Email Address is then shown under the 'i' icon also.
Make sure to click the 'Save' button when making any changes in order for them to be added to the next app version. Once you have made all the changes you need to an application you are then ready to publish it to workspace.