Great app. It's a little buggy, but my four year old caught on quickly and made it through the first 5-6 levels before I had to take it away so she could go to

Great app. It's a little buggy, but my four year old caught on quickly and made it through the first 5-6 levels before I had to take it away so she could go to bed. As a developer, this made me a very proud daddy!