Paid app ($2.49) — only Google Play can deliver it
Simple, fast, feature-rich audiobook player.
Simple Audiobook Player + — description
Features: • Variable playback speed (from 0.5x to 3.5x) • Support for chapters in m4b and mp3 files • Dual pane landscape mode • Light theme, automatic theme switch based on time of day • Bookmarks • Customizable seek buttons, both in app and in notification • Equalizer • Delayed pause, useful for listening before sleep • Playback control via remote buttons
This software uses libraries from the FFmpeg project under the LGPLv2.1. Source code for the native component is available at https://github.com/mdmt1/sabp_native