It is an application that tells you in voice instead of talks you can not say to your opponent.

[App Icon] - Copyright Link
https://www.flaticon.com/kr/free-icon/text-to-speech_10439483?term=%EC%9D%8C%EC%84%B1+%EB%B3%80%ED%99%98&page=1&position=70&origin=search&related_id=10439483

Just do it.