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The application that you can use your smartphone as a quiz buzzer. When you work with your computer, your smartphone will be 1 or 4 persons buzzer quiz.
Courtesy of the people can exercise using a smartphone, you can mold your own school school song.
Staff persons are placed ryeolpyo Enter a name for fellow employees, servants yimyeongryeol in place of a person can be checked, you can dial the phone.