MBD has recently launched ACME app on play store (app is available free of cost for 2 months) for Grade I to XII 

MBD has recently launched ACME app on play store (app is available free of cost for 2 months) for Grade I to XII – the online study material on the app is expressed clearly to aid effortless understanding of students, MBD e-books cover a wide range of syllabi adhering strictly to the CBSE board. The content features insights from books authored by erudite and experience To support academicians of repute.

http://www.mbdalchemie.com/

https://play.google.com/store/apps/details?id=com.octopus_k_12