Wow, thanks for the detailed answer.
I was trying different methods of fake 3d solutions for different type of games, mainly as prototypes, like
or
but yours seems to be really complex and ready to use for little games.I am just wandering how you can increase the resolution (texture and/or entire game window) and how it is affecting performance.
Anyway, as I am curious, I plan to buy yours, maybe only for learning purposes, but with a chance to create a fun project. :)