Ever wanted to turn something on your computer into a playable game of Super Mario Brothers? Well, of course you do.
Dream no more. Aaron Randall just made all of our big kid dreams come true with Screentendo.
Screentendo is a Mac app that runs through Xcode, allowing you to drag a semi-transparent window over any part of your screen. Whatever is inside of that window will be analyzed and turned into Super Mario Brothers world, complete with a little Mario that you can move around.
Full story: The Next Web