YOU SAID:

I don't understand how this application can be extended.

INTO JAPANESE

このアプリケーションを拡張する方法がわかりません。

BACK INTO ENGLISH

I don't know how to extend this application.

INTO JAPANESE

このアプリケーションを拡張する方法がわかりません。

BACK INTO ENGLISH

I don't know how to extend this application.