The Gmail app allows you to view all of your email accounts. To manage email using other apps, refer to Install Apps - Google Play™ Store.
From a Home screen, touch and swipe up to display all apps.
Tap the Gmail icon .
Ensure the appropriate email address is selected:
Tap the Menu icon (upper-left).
Tap the Dropdown menu (to the right of the current email address).
Tap the appropriate email address.
From the Inbox, tap a message.
If the email message has an attachment (e.g., jpg, gif, bmp, etc.) tap any of the following attachment options from the appropriate attachment tab (e.g. Attachment 1):