Well done! It’s not really a “game” as there is no challenge, but it succeeds in explaining the issue in a captivating way.
No it doesn't, because it always will choose based on color, even though you may hire explicitly based on skill for instance. What it's missing is that it is the human component that evaluates a person's skill influenced by the color, before giving the information to the algorithm. So this whole charade just seems forced.