One more project by famous Corona Evangelist Papa Buba Diop.
The rules are simple: Match any colored blocks to keep the game for as long as possible. Earn bitcoins - every 1000 points is equal the 1 bc. The value of matched blocks is doubled. 2+2 = 4. 4+4 = 8. 8+8=16, 1024+1024 = 2048 etc
You can check this game in AppStore.