A proposed North Dakota law will force Apple and Google to allow developers alternative options for distributing iOS and Android apps, respectively. The bill will also allow developers to receive in-app payments through any method they choose, not just through the app's respective app platform.
https://www.notebookcheck.net/Proposed-law-in-North-Dakota-may-force-Apple-and-Google-to-allow-alternative-app-stores-on-mobile-phones.519842.0.html