Last summer we bought a pocket Simon style game for my kid which had 4 buttons and 4 sequences so once you have beat it it loses all the interest. Then I had the idea to develop my own approach, every day a new sequence, the same sequence worldwide. So all players in the world can play and share results (leaderboards will be available soon). There are also a couple of extra game modes, a random sequence every time and a 2 player mode to play with your friends and family. I am also a hobbyist musician and I record sound packs for the game, that is the monetization of the game. Try it and let me know how does it feel!