This article explains how to set up email on an Android phone. The instructions apply to all Android devices, regardless of manufacturer (Google, Samsung, etc.).
How to Set Up an Email Account on Your Android Phone
The Gmail account you used when you set up your Android is automatically available in the Gmail app. You can add more email addresses and quickly switch between inboxes.
In the Gmail app, tap the profile icon in the top-right corner.
Tap Add Another Account.