It's two separate things, from the article:
A more drastic move could come next year. The European Commission, the bloc’s executive arm, could impose a fine of more than $100 million on X if the company is found to have breached tough new EU rules aimed at cleaning up digital media.

URLCheck
Checks URLs for nasties like tracking links. Can also be used to open links in specific apps (where they don't always want to)
Available on both f-droid and the play store.
https://www.f-droid.org/packages/com.trianguloy.urlchecker/
https://play.google.com/store/apps/details?id=com.trianguloy.urlchecker