Which regulations? F-Droid seems to be governed by Dutch law (see https://commonsconservancy.org/dracc/0039/ ). Do they have laws prohibiting all apps with any violence or promiscuity?

(As an aside, if they indeed had to follow some Dutch law and remove Bible and Quran apps, maybe F-Droid can be hosted by freedom.gov, US govt's new anticensorship portal..)