Wrong. OpenEUICC requires a rooted phone or a custom ROM, while EasyEUICC can be installed anywhere. This is literally what the (previously-)dead comment says. The second part is a copy-paste from the project's README.

Correct, I'm sorry. I meant the app, not the module. You don't need the module, just the app. I was confused by the repo name it seems. The app is indeed called EasyEUICC