I fixed the andless audio player to play files directly supported in Android. CUE sheets and playlists are also supported. Andless is a directory based player.

The app was tested on Android 6.0.1.

A download link for the compiled version: https://www.dropbox.com/s/arsdkkl02bsj2h9/andless.apk?dl=0

The original andless page: https://code.google.com/archive/p/andless/