It's like a Tamagotchi that instead of having to clean up its poo-poo you just feed it coins and it prospers!
Somewhat funny tangent: Ten years ago when Tamagotchis were first popular, I found one in the summer and didn't know what it was. It didn't have any instructions and only had two buttons on it, IIRC. I played around with it and managed to feed it and things like that. One day the little creature had two things that looked like Hershey's Kisses next to him. I had no idea what they were but decided it meant he was happy or wanted food or something.
Later that year when school started a girl in one of my classes told me it was POOP and I was supposed to clean it up! Yeah, that sweet waving odor of chocolate was actually steaming stench. It made sense after that.