Get Gmail, Contacts, and Calendar on your BlackBerry!
Download Google's tailor-made apps for the BlackBerry to access your Google Apps mail, contacts, and calendars, using all the same Gmail features you use the web (email conversations, labels, and so on).
Use Google Talk on your BlackBerry
Download to your BlackBerry:
Then chat with your Google Talk contacts directly from your BlackBerry.
View Google Docs on your BlackBerry