Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for MRC Compose by Arivald
Rated 4 out of 5 stars
Great add-on, increase functionality of Thunderbird.
But fail for news: groups, due to requirement to have "To:" field filled. It shouldn't be a problem to recognize news groups.
To create your own collections, you must have a Mozilla Add-ons account.