The game doesn’t transmit any information from the user device.
What happens on the device, stays on the device. The game doesn’t transmit any information anywhere. It has no permission to use Internet or any other communication channel.
The game stores minimal information on the user device.
The only information that the game stores on the user device is summaries of previous moves and players’ names. Players can use any names they like; real names are neither required nor suggested. All information stays on the device, is stored in the game’s private memory, and is neither transmitted nor stored anywhere else. The game has no access to any other information stored on the device.