There are a few ways to get your own DRM-free EPUB books into the app.
You can import them via Calibre (www.calibre-ebook.com)
You can e-mail them to yourself, open them on your device, and choose to open them in MegaReader.
You can use a service like Calibre2OPDS or personal bookspace to publish your library as an OPDS catalogs.
You can publish your books on a website, select them in the web browser on your device and choose to open them in MegaReader.
You can also import plain text into the app using copy and paste and through MegaReader’s integration with Instapaper.
We will be offering more ways to import your books in the future.