YOU SAID:
I wonder what's this red button do?
INTO JAPANESE
この赤いボタンは何するんでしょうね?
BACK INTO ENGLISH
What does this red button do?
INTO JAPANESE
この赤いボタンは何をするのでしょうか?
BACK INTO ENGLISH
What does this red button do?
That didn't even make that much sense in English.