Buku Bahasa Indonesia Kelas 7 is a free educational Android application developed by Pustaka Biru. The app is designed to help Indonesian middle school students learn Bahasa Indonesia as a part of the national curriculum known as KurikulumThe app contains the student book for Bahasa Indonesia SMP Kelas 7 edisi revisi 2017, in line with international standards. The book is aimed at helping students develop competence in listening, reading, writing, speaking, and having adequate knowledge about the effective use of the Indonesian language in both literary and non-literary contexts.

The app uses an inductive and task-based approach to teach students to find and learn higher-order thinking skills. The app also fosters spiritual intelligence, emotional intelligence, nationalism, and social intelligence indirectly through creative activities in the Bahasa Indonesia student book. The app includes a journal for reading that is designed to be integrated into the learning process and help students cultivate an interest in reading. The app covers seven chapters, each of which focuses on a specific area of Bahasa Indonesia, including descriptive writing, fantasy stories, procedural texts, observation reports, folk poetry, fables, and correspondence. Overall, the app is an excellent learning tool that can help students study Bahasa Indonesia anytime, anywhere.