From the site, here is description of this commercial app. It costs $50.

Phrogram is a great way to get started and go further in learning and doing real computer programming. Beginners get a solid foundation and intermediate to advanced users take their skills far beyond what other learning-oriented programming environments can offer. With Phrogram, you can create games and other programs with just a few instructions. Making programs do more with less code leads to faster results and more fun.