CG-MMTB is a free educational and reference Android application developed by National Informatics Centre, created for the Department of School Education, Govt. of Chhattisgarh. The app aims to enhance the learning experience by providing students with access to lessons that can be read or heard through voice-over, as well as relevant animations and labeled diagrams.

One of the unique features of this app is that all activities in a textbook have been video recorded and delivered through the app. This allows students to have a more interactive and engaging learning experience. Additionally, the app allows students to take assessments and quizzes to test their knowledge of the material.

CG-MMTB also provides the option to download videos when connectivity is available, allowing for offline use. The app can be installed on multiple smartphones, making it accessible to more students. Overall, CG-MMTB is a valuable tool for students looking to enhance their learning experience through a more interactive and engaging platform.