So I have tapped on version numbers on my android in the past… and saw the kit kat of the past, and now the cool marshmallow guy that comes up, and changes if you click him again.
What I just found out tinkering with an update, was if you spiral your finger in circular motion around the marshmallow, you unlock ‘flappy-android’ ( we will call it here ).
Another awesome reason to stay loyal. So many great easter egg games they have produced (offline Chrome Dino jumper, and zerg rush are still my faves).
…I could have just looked it up, but glad I found it the old fashioned way