■ About this application It is an application that allows you to know what you cannot easily hear face to face and the back face. The biggest feature of this app is that you can see the answer result later, so you can uncover the hidden truth of the other party. ■ How to use After pressing the start button and registering the name, we will answer the question. If you answer all the questions, the diagnosis result will be displayed. Click the "CHECK !!" button to display the results. ■ Precauti