It's free, has premium features, and can be played on a wide variety of mobile devices. (onrpg.com)
«We have gotten a lot of positive feedback on CourseSmart's Universal Reader, which offers students a choice between page fidelity and reflowable text views online and offline, on a wide variety of mobile devices from iPads, to iPhones and Android devices.» (goodereader.com)
«Adobe Content Server 4 — a robust server solution that digitally protects PDF and ePUB e-books for distribution to a wide variety of mobile devices and desktop systems.» (goodereader.com)