YOU SAID:
I dont understand what this stupid app is
INTO JAPANESE
この馬鹿げたアプリの意味がわかりません
BACK INTO ENGLISH
I don't understand the point of this stupid app
INTO JAPANESE
このくだらないアプリの意味がわからない
BACK INTO ENGLISH
I don't understand the point of this stupid app
You've done this before, haven't you.