Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Monterail by flowflag
Rated 4 out of 5 stars
Very good.
But in a folder when new mail, this is not clear.
Change color when new mail on a folder ? (for example orange / yellow)
To create your own collections, you must have a Mozilla Add-ons account.