The copying may not be in the direction you believe. The Playgrounds app was released in 2016 and that game looks like it came 2017. I was on the beta of the f

The copying may not be in the direction you believe. The Playgrounds app was released in 2016 and that game looks like it came 2017. I was on the beta of the first Playgrounds release and seem to recall that the gem game was there from the beginning or at least very early on. But my memory may be fuzzy. Regardless, the mechanic of the game is one that has existed since the earliest programming tutorials.