App Name: AudioLibrary [Android]

Cost: $1.99 USD

Developer: Vadim Babin

App Market: Download Page

Description:

The application for listening audiobooks & podcasts! You can add audiobooks from any stores such as SDCard, Dropbox, Google Drive, Yandex Disk. A single beautiful library of your content, single playlist for audiobooks and podcasts.
A large (ever-expanding) catalog of podcasts. Different categories, languages, support service SoundCloud, and video podcasts.