Well app and website home pages are totally different ones .
App home page has four blocks :
1. featured courses : in which featured courses are shown . you can make any course as featured from wp-admin-> lms -> all courses : http://prntscr.com/itn8be
2. course categories whcih you can manage from wp-admin -> lms -> course category .
3. popular courses : fetched automatically from site based on most number of students .