✔ More than 10 pre-added OPDS bookstores for you to browse and download ebooks of different categories and languages.
✔ Probably this app gives you the most comprehensive access to the free ebooks.
✔ Add your favorite OPDS bookstores.
For any problem on using this app, please email to firstname.lastname@example.org, I will try my best to solve your problem within 24 hours!
eBook Speaker (a free eBook reader app): https://play.google.com/store/apps/details?id=net.zbase.ebookspeaker