I use that term loosely, though, because while the day-to-day operation of it will certainly save you valuable time and effort, designing and building it must have taken some work!

Built by Finn zwenkka over the Winter, the LEGO contraption uses Mindstorm kit and an Android app to control a multi-disc carousel that can spin, insert and remove discs from the system.

Where was this for Mass Effect 3? Or Lost Odyssey?

Lego NXT Xbox 360 Disc Changer "The Carousel" [YouTube, via Reddit]