You can set your email address on your tablet. Open the Settings app and click your account Google.
Next to your email address, tap Personal info.Tap Edit.Enter the new email address for your account.
How do I change my email address on my tablet?
When you launch Google Play, you have to sign in with the account you use to log in.
Now, you can do that from Google, by going to your Google Play account, selecting your account email from the dropdown menu, and tapping the account switch button.
Can I just change my email address?
You can change your Gmail address, but there is a limit on how many email addresses you can use. If you want to change your address, sign out of the existing account and create a brand-new one.