Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseDeveloper reply by Marco Zanon
Rated 5 out of 5 stars
It works great on Thunderbird 78.11.0
Using it with fake addresses and read only mode (about 2000 contacts)
Thanks for Your review.
MZ
To create your own collections, you must have a Mozilla Add-ons account.