- When you open the game select the “Login” button on the bottom left of the screen.
- If you do not see the screen below, completely close out The Simpsons: Tapped Out application and then re-open
- For instructions on how to completely shut down an application, please consult your device’s user manual
- Enter the e-mail for your Origin account or the e-mail that you would like to use for your Origin account.
- If you are registering your account to an existing Origin account enter your password on the next screen and login. If you are registering a new account please fill out the information on the screen below:
- On the next screen prompt select the blue “Yes” button.
- On the next screen prompt select the blue “Save” button.
Your account will now be saved to the entered Origin account and your Springfield will be playable across multiple devices by logging into that Origin account.
Source: https://help.ea.com/article/how-do-i-register-my-tsto-account-with-origin