Once you sign into the app using Facebook, you will be taken to the home screen where you will be able to see an individual user's profile. You can tap the screen to view each photo the user has posted, and then you will see the user's profile details. After you review the profile, you can choose to either give the user a like (by hitting the heart icon) or dislike the user (by hitting the X icon). If you give a user a like, this means you like them. If the user also gives you a like, congratulations! You two have matched & you can now start messaging and getting to know each another!