Turn your HoloDragon on. Log in to your account. If you don't have one sign up for one. New users are given games so you'll always have some games to play.
Once you log in you will see a QR code displayed on the screen. This QR code will be scanned by your smartphone or tablet to connect.
Each player must download and install the HoloDragon app on your smartphone or tablet. Apps are available for iOS, Android, and Windows phone.
Once installed, open the application, scan the QR code and you're connected!