As add-ons are programs downloaded from the internet, they are potentially malicious. You should only download add-ons you trust.
To download this add-on, please copy and paste the following code into Anki 2.1:
If you were linked to this page from the internet, please open Anki on your computer, go to the Tools menu and then Add-ons>Browse & Install to paste in the code.
All Anki 2.1.x Add-Ons
I don't remember where I found it but in one of the shared community decks someone made a card type that I held onto.
edit: however, not compatible with Zoom 2.1 https://github.com/ospalh/anki-addons/issues/125
Works all the more that cookies are allowed on ankidroid so that cards are compatible