From the Home screen, tap Apps (in the Quick
Access Bar) > Gmail
> Compose
at the top right corner of the screen.
If you set up more than one Google Account on your tablet 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 +CC/BCC to the right of the recipient address bar to add normal copy 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 , then tap Attach file if you want to add an attachment to your Gmail message.
You can also tap to the right of the Subject field to add an attachment to
your message. Tap an attachment type (Drive, Gallery, or Photos), then search for and attach the file to send with the message.
Tap the Send icon at the top right
corner of the screen to send your message.
If you aren't
ready to send the message, tap the Menu key , then
tap Save draft.