Hi Henri,
Thanks for setting this up!
I think we had Some contact lately through GitHub as well. I think you can best do a pull request to the original Alfen app with your changes, then I can publish that to the App Store of Homey to the test channel and then in the official Alfen topic we can ask people to test. That will keep the store and Forum a bit cleaner and easier for people to use.
Alfen app topic: [APP][Pro] Alfen - Optimal Charging, Smarter Homes: Powering Efficiency for You and the Grid
