I found hopscotch by randomly looking around the App Store.
Also, here's a good tip: Make your projects stand out. Whether it's making the thumbnail look really good, or just having a unique idea, make it unique, and more likely to get popular.
Also, @Steelhooves, I think that could be pretty easily found with a google search. Also, I'm pretty sure @t1_hopscotch has made that in hopscotch before.