The current Google Account is displayed at the top of the Inbox.
If you have more than one account, you can switch accounts to view
the messages in each Inbox. Simply tap the Accounts & labels icon at the top left corner to select
another account or label to display.
Conversations with new messages are displayed with bold subject lines. To read a message in a conversation, tap its subject line text.
indicates that you
were copied on this message.
indicates that this
message was sent directly to you.
Tap the letter icon (or contact photo) next to a Gmail message,
then you can tap the Archive icon , Delete icon
, Mark
read/unread icon
, or the Menu icon
(Move to, Change labels, Add
star, Mark important/not important, Mute, Report spam, and Report
phishing).
You can also tap the Favorite icon next to a Gmail message to designate
it as a favorite message.