Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Tab Counter by erosman
Rated 5 out of 5 stars
For anyone looking for a WebExtension alternative, I have included Tab Counting feature in FoxyTAb
https://addons.mozilla.org/firefox/addon/foxytab/
To create your own collections, you must have a Mozilla Add-ons account.