To compose and send a message
From the Home screen, tap the Apps Key
> Gmail 
> Compose icon 
at the top right corner
of the screen.NOTEIf you set up more than one Google Account on your device and want to send the message from a different Google Account, tap the current Google Account, then tap the account you want to use.
Enter a recipient’s address.
As you enter text, matching addresses are offered from your Contacts list. You can tap a suggested address or continue entering text to enter a new one.
Tap the Menu Key
(in the Front Touch Keys bar),
then tap Add Cc/ Bcc to copy (normal or blind
copy) recipients, if necessary.Enter a subject for the message in the Subject field.
Enter your email text in the Compose email field.
Tap the Menu Key
(in the Front Touch Keys bar),
then tap Attach picture or Attach
video if you want to add an attachment to your Gmail message.Tap the Send icon
at the top right corner of the screen
to send your message.NOTEIf you aren't ready to send the message, tap the Menu Key
(in the Front Touch Keys bar),
then tap Save draft.