Maple

MP3 Player with Audiobooks support.
Bookmarks, variable speed playback, A-B repeat, equalizer, and scrobbling.
Supported audio formats : mp3, ogg, wav (8/16bit pcm)
Key Features:
* Browse and play your audio by folders, playlists, albums, artists, and genres
* Tempo control (variable speed playback)
You can change tempo from 0.25x to 4.00x with the same pitch.
* Pitch control (audio key changer)
You can change pitch from -0.5 to 0.5 octave (-6.00 to 6.00 semitones).
* Bookmarks
* Auto playback history
* Fast-forward/rewind
* Sleep timer
* Visualizer
* Widgets
* Selectable themes
* ICS lockscreen support
(requires android 4.0 and up)
* musiXmatch FloatingLyrics support
* Vocal remover (for center-panned vocals)
You can use it for karaoke.
You can activate the following extra features by purchasing Unlocker.
* No banner ads
* Tempo from 0.25x to 5.00x
* Pitch from -2 to 2 octaves (-24.00 to 24.00 semitones)
* Bass Booster
* Reverb Presets
PERMISSIONS:
- READ_PHONE_STATE:
to auto-stop audio playback when your phone starts ringing
- WRITE_EXTERNAL_STORAGE:
to save playlists and bookmarks
- RECORD_AUDIO:
to get real-time audio waveform data for the visualizer. See the link below to get the details: http://developer.android.com/reference/android/media/audiofx/Visualizer.html
- WAKE_LOCK:
to prevent your device from sleeping during playback
- INTERNET:
- ACCESS_NETWORK_STATE:
for ads, and error & usage reporting
- MODIFY_AUDIO_SETTINGS
for volume control and sound effects
- BLUETOOTH
To detect the connection state change of Bluetooth headset