All operations are listed above.
I will explain from the left icon.
[Starting and ending the game]
You can start and end the game with each tap.
[Game Reload]
Redo the game.
[BGM On/Off]
You can select On/Off of BGM.
[Voice On/Off]
AI voice can be turned on/off
[AI and your display]
When its your turn, the icon turns blue.
The number will display the number you guessed