What's a good iOS game for someone who wants to try their hand at running a business, but nothing too complicated?

So, this game, Weed Inc, took me a few days to figure out all the features, I'll admit. It's one of those 'idle' games, which, as my students explained, means it keeps going even when you're not actively playing. Think of it like setting up a class project and letting the students work on it while you grade papers. You start small, growing, shall we say, herbs, and then you expand your business, hire employees, and research new strains. It's surprisingly engaging, even if the subject matter is a bit... contemporary. It’s like having a teaching assistant in your pocket, but instead of grading papers, it's managing a virtual business. The best part is, once you get the hang of it, it's pretty relaxing. I find myself checking in on my 'business' during my lunch break. Why do they hide the settings button there, though? Still haven't quite figured that out.