1. Tap the Menu button (either at the bottom edge of the screen or in the the top-right corner) , choose Settings (you may need to tap More first) and, finally, Sync.
  2. Tap the "Advanced setup..." link.
  3. Next, enter your Account Name (email address), Password, Recovery Key and tap Connect.
These fine people helped write this article: Verdi, scoobidiver, Ibai, Swarnava, mluna, jsavage. You can help too - find out how.