The "가벼운학습지 - 전자책 노트 필기 에디션" is a digital learning app designed for users who have purchased its digital version. This application allows learners to engage with educational content through electronic note-taking, eliminating the need for traditional heavy textbooks. Users can view videos and listen to MP3s while taking notes, facilitating a more interactive learning experience.

With a focus on building a consistent study habit, the app provides a structured curriculum that follows a "one book per week" model. It includes features such as background playback for lessons, allowing users to learn on the go, whether walking or exercising. The program is developed in accordance with the Common European Framework of Reference for Languages, ensuring a systematic approach to language learning without mandatory access permissions, while offering optional features for enhanced functionality.