Chekhov was mentioned in the Microsoft EU Policy Blog for being part of an initiative focuses on developing sustainable, relevant, culturally-appropriate and scalable solutions to addressing illiteracy.
Chekhov, a free tool which allows anyone, anywhere to write, publish and distribute a dynamic eBook which can be used by learners across the globe to develop their literacy skills.
http://blogs.microsoft.com/eupolicy/2015/09/08/literacy-for-life-digital-solutions-for-a-sustainable-future-2/