Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Google Keep Tab by BachUhr
Rated 5 out of 5 stars
It works great.
If you have deactivated Addons in the Thunderbird settings, you should add https://keep.google.com and https://google.com to the allowed Addons.
To create your own collections, you must have a Mozilla Add-ons account.