You can get rid of the Meet video icon from the Gmail app's bottom-left corner by removing it through the app's Settings menu.

Simple issue on the face of it: I would like the Mail app to indicate that I have new mail in my Gmail account. I'm sure it does exactly this for any normal email account, but I can't get it to do ...

You can save attachments from your Gmail inbox to your Google Drive in just a few steps on any device.