If you have the latest versions of the app, you can now make connections with friends in four ways: Facebook (iOS/Android),  iCloud (only iOS), Google (only Android) or invitations via the special link.


iOS/Android

Your friends appear on the app if they are on your Facebook friend list, and have App in the Air installed. So, in order to see each other on the Leaderboard, please make sure that your Facebook friends have App in the Air and that it's connected to their Facebook account. 


You will also see your friends on the Leaderboard if each of you has iOS, are listed in the iOS contacts (address book), and are connected to iCloud in the App in the Air settings.


Invite mode (no login required)

You can invite people to see you on the Leaderboard. Just send them the special link for opening and installing the app.


iOS

Go to Profile → Leaderboard.


Tap on the "..." button.


Select "Invite" and send the link to your friends. And they will appear on your leaderboard.


Android

Your friends appear on the app if they are on your Facebook friend list, and have App in the Air installed. So, in order to see each other on the Leaderboard, please make sure that your Facebook friends have App in the Air and that it's connected to their Facebook account. 


Go to Profile → Leaderboard.


Select the "Friends" tab and tap on the icon with a human.


Select "Share" and send the link to your friends. And they will appear on your leaderboard.