Castper is a free Podcast and Audiobook player that integrates with your devices music library. Control your audio via headset remote and over blue tooth in the car. DVR type controls allows you to jump ahead automatically 30 or 60 seconds or jump back 10 or 30 seconds. Castper will automatically save your place in each audio stream and continue from your last location. Castper is also idea for long form MP3 files. Just add them to a Playlist in Itunes and they will appear in the Playlist section.