Do you want to switch between devices and play seamlessly? Here's how you can do it on Grace's Island! 

On the device, you want to share progress from:

• Go to Settings
• Choose between Connect Facebook and Sign in with Apple
• Press on the button and log into the corresponding account

On the second device:

• Log into the same account 
• The pop-up with game accounts will appear: the current one on the device on the left and the one stored in the cloud on the right (from the first device).
• Check the stats on the cloud account, if everything is correct, choose it
• Type "Confirm" into the textbox
• The game will reload and you will get the progress from your first device on the second one!