1) Please make sure that you are logged in the app itself with the same details - Facebook or email - you used for registration in the app previously.
Please tap on the Menu ( = three horizontal lines in the upper right corner of your Collection page) - Account.
2) If you are logged in the app, on the Login page you will see your Facebook name or e-mail.
If you are not logged, you will see "Connect" or "Login with email".
3) You need to log in with the same details you used for registration before. As soon as you log in, your coins will appear.
4) If you have started to use a new device and your coins didn’t transfer, please also make sure that you are logged in the app and that you are logged in on your device with the same Apple ID you used before.
5) If you still unable to restore coins, please feel free to contact us. Click here, to submit a new request.