Question

How I can access two Gmail account on a single android?

Answer 1

I use  both my personal Gmail and another account for work, the last one is settled as primary

You go to Settings - Accounts and select Add Account

You have to click on Google, then New, since you will add a new one

You will pass through the same two-time authentication and you are ready to use both accounts

Answer 2

There is a option in setting Accounts then add account you can put you another email which have to login and then use both emails in single android phone.