Google Android 2.3.4 Users Guide - Manual (Page 147)

Gmail 147
AUG-2.3.4-106 Android User’s Guide
Replying to or forwarding a message
You can continue a conversation by replying to a message or by forwarding it.
Reply to or forward a message
1 Touch the Reply button in the message header. Or touch the arrow and
touch Reply all or Forward.
You can change the default button from Reply to Reply all. See “Changing
Gmail settings” on page 163.
Replying to or forwarding messages without changing the subject adds your reply
to the current conversation. Changing the subject starts a new conversation.
The message opens in a new screen where you can add or remove addresses, edit
the subject, and add or remove text or attachments, as described in “Composing
and sending a message” on page 145. You can also touch the button at the top left
Touch the Reply button.
Or touch the arrow and touch Reply all
or Forward.