Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for PrintingTools by Firefox user 9b48cb
Rated 1 out of 5 stars
developer abandoned his whole work. so, this add-on is dead for thunderbird 68 and every newer version.
i hope someone will make something similar.
To create your own collections, you must have a Mozilla Add-ons account.