正解or間違い効果音

• After start-up, the correct answer, you will see a button of mistake.
- Sound effects of the correct answer to touch the correct answer of the button "ping-pong ping-pong over emissions" will sound.
• When you touch the button on the mistake you will hear sound effects of incorrect "Bubbu".
- Screen at the bottom of the bar, you can adjust the volume of the sound when you press the button.