The application is called the "Thuật Giao Tiếp Ứng Xử" and it has a simple interface that lets you easily browse through the lessons. The content is organized by topic, which makes it easy to understand and follow.

The first part of the application is the "Thuật Giao Tiếp Ứng Xử", which is the introduction of the communication art. This part contains the different forms of communication, the different factors that influence our behavior when we communicate, and the methods that can be used to improve our performance. It also introduces the different ways of dealing with the other person, the objects that we can use in the conversation, and how to keep a good relationship in communicating.

The second part of the application is the "Thuật Giao Tiếp Ứng Xử", which is the introduction of the concept of the "soft technique". It describes how to use soft techniques to improve your performance in the conversation.