Hey, there's a developer called voodoo.io out there who keeps ripping off of indie devs' core game concepts, and releasing a shitty F2P version on app stores before the indie devs have finished their games.
Goldman Sachs gave them $200m in investment recently, so they're not going anywhere soon, but you can encourage you and your friends to ignore the fuck out of their games.
https://kotaku.com/clever-indie-game-donut-county-isnt-even-out-yet-and-al-1827117824
@dzuk the whole of the .io genre is basically all copycat designs done quick. The low graphic quality and accessible design means mass market appeal and cheap production costs.
It's basically the phenomena of arcade knockoffs trying to milk quarters off of kids, but for the appstore age.