I found this to be a good game. It was one of those games that didn't need much detail. I was impressed at how it was not easy. I should have known you couldn't just win by pressing the up button, even on the first level. It really was pretty well thought out. I liked the music as well.
I appreciate how you can work well with such a simple game. I probably have played games like this before, though. It isn't much, but it still works. Hard to say how it could be improved. It just is what it is.