This makes no sense!

The rules are unclear and the puzzles dont make sense. When I switch tiles, if they are in the wrong place, then they turn black. But if that holds true, how do I end the game with two different colored tiles, each with one dot, and placed in such a way that I cant move either of them. How did all the other tiles end up in their correct place, but I missed these two? The minimalist aesthetics were a draw, but are now a clear frustration for me. I feel more annoyed with this app than relaxed by it. I wish the tutorial included a tougher puzzle so you could practice making this type of error and how to fix it next time. Deleting it. What a waste of money.

Starlitwo about har•mo•ny 3, v2.2