TBI Blogs: Does Your Child Have Poor Reading or Math Skills? This New Learning App Can Help. Pratham Books February 2, 2017 Apps, Blog, Education, Mobile, Technology mGuru is a learning app for K-5 students, focusing on English and Math. The app provides an interactive learning journey for children, with the explicit aim of accelerating learning outcomes in an engaging way. mGuru is using stories from StoryWeaver on their English app.