WARNING: Deleting your personal data means that your game account, virtual currency, and virtual items will be permanently removed. Please note that your progress cannot be restored after deletion.
To delete your profile:
From the game map, open your profile by tapping your avatar.
Click the "i" icon next to the name field.
In the profile window, press the "Delete Profile" button.
Confirm the profile deletion in the pop-up window.
After this, your profile and personal data will be deleted, and you will be prompted to start the game from the beginning.