But what is Android and iOS? What is an SDK? There is only so deep the rabbit hole can go. They chose to stop the explanation at Flutter and I don't blame them.

But what is Android and iOS? What is an SDK? There is only so deep the rabbit hole can go. They chose to stop the explanation at Flutter and I don't blame them. If you aren't already using Flutter, this won't help you as you now have to go learn a whole other library first.