You will need to complete these steps on a computer, as opposed to on a mobile device. The settings that need to be changed on Facebook are not available on mobile.
Log into your Facebook profile that has the admin role on the group you'd like to connect, and then navigate to that group.
Click Settings on the left hand side.
Find the Advanced Settings section towards the bottom of the page and then click the edit icon to the right of Apps.
Click Add Apps.
Search for Mentionlytics and then click the Mentionlytics app that shows up in the results.
Then, click Add.
