Account deletion is only available on iOS devices
Your account data, along with all of your game progress, can be deleted by following these steps: Select the Gear icon on the Main screen, then select the Delete Account link at the bottom of the Settings screen. Follow the onscreen instructions to delete your account.
Deleting your account will permanently remove all level progress and saved content associated with your account; including all coins, Brilliance, Hints, Skins, and Themes. - earned or purchased! Account deletion is permanent. Please note, we may be required to retain past transaction information for financial reporting purposes.