Points for creativity on theme, and placing it in a setting other than outer space. I also like the warm and comforting color choices.
I did feel it was backwards to have the pieces spawn in from right to left, rather than left to right. Multiple times I thought I was getting the rightmost piece next when it was the opposite.
The screen has a lot of blank area around the edges which could be put to some use. As is it feels a little like there is a lot of real estate not being used for anything.