Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Google Contacts by IanRH
Rated 4 out of 5 stars
If you are using the extension with an account that has two step verification make sure you use an "Application specific password" and NOT your usual login.
I can confirm that this Add-On does work.
To create your own collections, you must have a Mozilla Add-ons account.