스마트 이야기독서 B단계 is an Android application developed by 교원구몬. It falls under the category of Education & Reference and is available for free. This app allows users to make reading the Smart Storybook more enjoyable by using the device's camera to project digital activity pages from the book.

The app offers three main features. First, there is the "이야기 순서 맞추기" (Story Sequence) activity, where users can arrange the story scenes in the correct order and record a summary of the story using their own voice. Second, there is the "조각조각 인성 퍼즐" (Character Puzzle) activity, where users can complete puzzles based on the emotions of the story's characters and receive cards with personality-themed messages upon completion. Lastly, there is the "팡팡팡 어휘 게임" (Vocabulary Game), which tests users' understanding of vocabulary learned from the book through a fun quiz.

Overall, 스마트 이야기독서 B단계 is a great companion app for the Smart Storybook, offering interactive activities that enhance the reading experience and promote learning.