If you have connected to Rummy Rush via Facebook/Apple/Google, your stats and progress will be saved.
When you use a new device, log in again with your Facebook/Apple/Google account and all data will be recovered. You will be able to continue from the last point played.
If you choose to play as a guest and do not connect with Facebook/Apple/Google, the stats will be saved locally (on the specific device you played from) and your data will not be transferable to your new device.
This is how you can connect to Facebook/Apple/Google:
Click on the 'Menu' button on the top left corner 
----> Click on the 'Settings' button.
----> there sign in to your Facebook account.
