Logout of your account in settings, click create account when you get to this screen
Try uninstalling the game from your device and re downloading the game. After you download again, there should be an option to start a new game
I tried that and made a new account and everything but when i clicked log in, it didn't do anything. I clicked start and it just brought me to my old account.Logout of your account in settings, click create account when you get to this screen