o.
Try this : https://play.google.com/store/apps/details?id=com.forgottenapplications.audiobook
[Features play/reading-speed (0.5x to 2.0x) on Android Marshmallow devices.]
or : https://play.google.com/store/apps/details?id=com.smp.musicspeed
Time stretching - change audio speed from 10% to 500% of original speed (change BPM of music).
or : https://play.google.com/store/apps/details?id=jp.ne.sakura.ccice.audipo
Audio speed change. ( x0.25 - x4.0 )
This music player is a good application for listening to a part of the music repeatedly . ( Ex. Music dictation. )
Also the app is good for listening the audio faster ( Ex. audiobook, radio ) or slower( Ex. language study ).
or you can search by yourself @GPS (Google Play Store)