Here it is.
This is the two-player board game Reversi (also known as Othello). There is the option to play on one device, but the part that took a long time for me to develop, test, and fix is the cloud multiplayer feature.
The cloud multiplayer feature of Reversi lets users play a game of Reversi with another user, or view an ongoing game of Reversi. There is enough room in the cloud variables to hold 80 games at once, so 160 players can play in the cloud at the same time.
Screenshot of gameplay: (translucent chips indicate locations the player could place a chip):

Screenshot of the game over screen at the end of a multiplayer game:

(Thanks to @Jhonethen for helping with the cloud multiplayer testing, which helped me find and fix all the bugs)

Cool