MPustak is a mobile technology initiative to tackle technical challenges and get vernacular language applications rapidly to mobile and tablet devices,� said Manish Malik, founder and chief executive of Hazel Media Pvt. Ltd, which has developed mPustak.

Users can practise mathematics, learn about animals and places, etc., in various Indian languages using mPustak on mobile and tablet devices, including low-cost handsets.

It can be downloaded for free from http://mpustak.com/get. Since its launch in February, mPustak has been downloaded about 160,000 times, according to Hazel Media.