Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for EMail Address Crawler by mohican
Rated 5 out of 5 stars
Paolo "Kaosmos" has updated the module to version 5.0 and claims it to be compatible with Thunderbird 9.
You can download it from his page :
https://nic-nac-project.org/~kaosmos/index-en.html#eac
(I have not tested it yet)
To create your own collections, you must have a Mozilla Add-ons account.