If the devices are on different platforms:

We can manually link your original game to your device if:

You have the User ID of your original game
You have the User ID of your new game
Just submit a ticket with the above information and we’ll help you out.

To get your User ID:

Tap the gear icon settings.png at the bottom right and it’s displayed at the bottom of that Settings screen. Tap the ‘Copy ID to Clipboard’ button and paste it in support chat!