YOU SAID:

I have never seen such a useless unfriendly not fun boring app as this translation party

INTO JAPANESE

この翻訳パーティーのような役に立たない、退屈なアプリは見たことがありません。

BACK INTO ENGLISH

I have never seen useless, boring apps like this translation party.

INTO JAPANESE

この翻訳パーティーのような役に立たない退屈なアプリを見たことはありません。

BACK INTO ENGLISH

I've never seen useless boring apps like this translation party.

INTO JAPANESE

この翻訳パーティーのような役に立たない退屈なアプリを見たことはありません。

BACK INTO ENGLISH

I've never seen useless boring apps like this translation party.