Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for FireTray by xecutable
Rated 5 out of 5 stars
Click on the Download Anyway button. Get the file. Open the file with your favorite Zip program. Edit the file install.rdf. Find the Thunderbird maxVersion: 38 and change it to a number higher than the current version.
For example I changed it to 58. Update the archive. Go to your addons tab, and click on the wheel and select install Addon from a file. Done. The installation starts and works.
To create your own collections, you must have a Mozilla Add-ons account.