It's apt to children, to learn how to program.
But if you want to learn to program you can use it too.
You can see the creations of people and people can see yours.
Pros: it's very intuitive and easy
Cons: it's not profesional
I didn't know they made an MSU cart for the Genesis.... I knew about the SNES one and the library for that is rather large but the Genesis one has very few games