Google Sync synchronize the BB's built-in calendar and address book with the user's Google account. * Get your Google Calendar events to your device * Synchronize your Gmail contacts * Be alerted for upcoming appointments with sound and vibration using your BlackBerry's native calendar Synchronize your contacts. Get your Gmail contacts quickly and easily to your BlackBerry smartphone. With Sync, you can have access to your address book at any time and place that you need it.