While viewing your Inbox:
Swipe the screen up and down to scroll through your list of messages.
Tap the Compose icon
to start a new Gmail message.
Tap the Search icon
to search within the Gmail app.
Swipe a Gmail message off the screen to the left or right to quickly and easily archive the message. Tap UNDO to restore it to your Inbox.
Tap the letter icon (or contact photo) to the left of one or
more messages, then tap the Delete icon
to delete the selected messages.
Tap the letter icon (or contact photo) to the left of one or
more messages, then tap the Menu icon
to select Move to,
Change labels, Add star, Mark important, Mute, or Report spam.
While viewing a message, swipe the screen left and right to scroll through all of your messages and use the icons in the header at the top of the screen:
Tap the Gmail icon
to return to your Gmail Inbox.
Tap the Delete icon
to move the email to the trash
folder.
Tap the Mark unread icon
to return the message to an unread
state.
Tap the Menu icon
to access Move to,
Change labels, Mark important (or Mark not important), Mute, Print, and Report spam.
If you’re viewing a message or another label, tap the Back Button
until you return to your Inbox.