Google Apps
Google Apps Mobile

The links below (when clicked) take you to an external website.
These links will open in a new window.

Set up iPhones and iPads to Display Multiple Calendars.

This site describes how to set up Google Sync properly on an iPad or iPhone:
http://www.google.com/support/mobile/bin/answer.py?answer=138740&topic=14252

And this tells how to specifically select the calendars you want to display:
http://www.google.com/support/mobile/bin/answer.py?answer=139206

______________________________________

BlackBerry
Google will NO LONGER support - BlackBerry setup for Google Apps November 22, 2011. BlackBerry users can continue to access Gmail through the mobile web app at http://www.gmail.com in their BlackBerry web browser.

iPhone
Set up Google Sync on an iPhone Set up an iPhone with Google Sync to access Google Apps mail, contacts, and calendars using the phone's native applications.
Google Sync Help Center More about using Google Sync on an iPhone.

* Google Sync for your iPhone *

Android
No setup required! Users just launch the pre-installed Gmail for Mobile application from their Android phone.
Android Help Center More about using Gmail for Mobile on an Android device.

Windows Mobile
Set up Google Sync for Windows Mobile Set up a Windows Mobile device with Google Sync to access Google Apps mail, contacts, and calendars from the phone's native applications.
Google Sync Help Center More about using Google Sync on Windows Mobile.

Find these resources and more at the Google Apps deployment site.

Mobile User Resources