구먹중: 하루 3분 인강 is an Android application that aims to teach Chinese to beginners through a variety of video lessons. The app offers a range of video lectures from basic to advanced levels, including a unique feature that allows users to compare their pronunciation with that of a Chinese animation voice actor. The app is free to download and use.

The video lectures are divided into three levels: beginner, intermediate, and advanced. Each level has 30 lectures, and the beginner level is free to access. The intermediate and advanced levels are taught by YBM's star teachers.  구먹중: 하루 3분 인강 also provides an opportunity for users to receive personalized feedback on their pronunciation.