Merit Box is an Android application developed by Goyal Brothers Prakashan that offers online support for CBSE ICSE NCERT books. The application provides access to unique content in the form of animated videos, video lectures, and numerous study materials like worksheets, interactive exercises, question banks, and more. The app also features a user-friendly interface with easy navigation and smart search options, making it simple for users to find what they're looking for.

One of the standout features of Merit Box is its eBook reader, which allows users to turn pages with a tap or swipe, never lose their place in the book, and adjust font size with ease. The app also offers online synchronization for bookmarks, highlights, notes, and current reading position, ensuring that users can access their eBook library from any device. Additionally, the app provides eBooks, teacher's resource books, lesson plans, video lectures, animated lessons, virtual laboratories, solutions of the textbook, explanation to the answers, chapterwise summary, NCERT solutions, and other study materials.

Overall, Merit Box is an exceptional app for students and teachers alike, providing a complete understanding of the most complicated concepts in a fun and engaging way.