The app automatically arranges the suggested friends as gender & interests and likes , so it suggests the right person first , which means higher matching rate and more users for the application.
Demo: https://codecanyon.net/item/kyle-premium-random-video-dating-and-matching/28022697
source http://www.codelist.cc/mobile/241338-kyle-v170-premium-random-video-dating-and-matching.html