Gmail (Google Play)

Basic email in Gmail app: Create, reply and general email tasks

Search for an email in Gmail app: Search for an email

Add or change Email Accounts in Gmail app: Change, review or add Email accounts added to the mail client

Change Settings in Gmail app: Tap on three lines in top left to see folders then scroll down and tap on the settings cog to make useful changes and manage accounts e.g. swipe actions to delete