Simple Audiobook Player Free for Android

Features:

Bookmarks

Customizable seek buttons, both in app and in notification

Delayed pause, useful for listening before sleep

Dual pane landscape mode

Light theme

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