Everything seems to be fine, but from the very beginning, when you look, you're looking for intuitive buttons that give you an understanding of what's going on.

Everything seems to be fine, but from the very beginning, when you look, you're looking for intuitive buttons that give you an understanding of what's going on. Everything is a little more complicated here, but still, well done. The design is beautiful, although I personally prefer simpler ones. But that’s just my preference.