Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Extra Folder Columns by Frank
Rated 5 out of 5 stars
Ah! At last I am able to keep track of how many messages are in each folder. Thanks to Joey Minta, and shame on Thunderbird for removing this handy and necessary feature.
This review is for a previous version of the add-on (0.4).To create your own collections, you must have a Mozilla Add-ons account.