But that is what happens, when you use the icloud backup. You log in, you you create a new passcode, and the app automatically looks in your icloud folder for a

But that is what happens, when you use the icloud backup. You log in, you you create a new passcode, and the app automatically looks in your icloud folder for a backup, then restores it automatically. There is no account creation involved in the process. What you are asking for already exists. What you are asking for is the manual backup you create to automatically restore.