How Do I Edit A Card On My App Feed?

In the sidebar, click on "Engagement" then "App Feed." 

Click on the app feed layout where you’d like to edit your card. 

To edit a card on your app feed, click the "pencil" icon in the row you'd like to edit. You can edit any necessary information and click "Done" when complete.

Ensure to save your changes.

If you want to delete a card, simply click on the "trash bin" icon in the row you would like to delete.