Tap the Home Button
> Apps 
> Hangouts 
.Tap the New icon
to view your contacts list. It
includes all of the Google Accounts you’ve added.Tap the Message field at the bottom of the screen then enter your message.
Tap the Send icon
.
Tap the Home Button > Apps > Hangouts .
Tap the New icon to view your contacts list. It
includes all of the Google Accounts you’ve added.
Tap the Message field at the bottom of the screen then enter your message.
Tap the Send icon .