Simple game, it works well but doesn't have much to offer. Pointing out some issues : donuts tend to teleport when switching the belt under them, it's a bit jarring. It lacks a way to make text go faster.
I guess it would have taken a lot of time, but I would love to play a version of this game with more inputs, outputs and turning tables to add some challenge and complexity.
For anyone wondering, "L+Click" and "R+Click" in the control description means left and right click, it took me some time to understand this.