SicMu Player

Lightweight audio player which features a single over-all playlist with every song on the device.
• songs can be easily browsed following folder hierarchy : great for big music playlist.
• play mp3, ogg, flac, midi, wav, 3gp
• open-source, the SicMu Player is also available on F-Droid https://f-droid.org/repository/browse/?fdid=souch.smp and GitLab https://gitlab.com/souch/SMP .

Detailed features:
• sorted by artists, albums and track number
• or sorted by folder tree, useful for big music list
• or sorted by folders, artists, albums and track number, flattening folder hierarchy
• groups can be folded / unfolded
• repeat mode (all, group, one track, A to B repeat loop)
• show cover art
• shake the phone to go to next song
• notification with media controls
• seek bar
• auto repeat seek buttons
• disable / enable lockscreen
• configurable font size
• on app startup, scroll to last song played
• play mp3, ogg, flac, midi, wav, 3gp... see android mediaplayer supported media formats (depends on android version).
• bluetooth support (play through bluetooth device)
• media buttons support (next, prev, play/pause) from external device (bluetooth headphones...)
• light and fast: starts in 0.5s and uses 40Mo of RAM with 18Go of music (3000 files, 200 folders) on an old 2*1.7GHz ARM processor.
• support Simple Last.fm Scrobbler or Scrobble Droid (disabled by default in settings)