Notrika Music is an open source, local music player for Android.

Features

• Base 3 themes (Clearly White, Kinda Dark and Just Black)
  
• Choose from 10+ now playing themes
  
• My favorite mode is safe driving
  
• Headset/Bluetooth support
  
• Music duration filter
  
• Folder support - Play songs by folder
  
• Gapless playback
  
• Volume controls
  
• Carousel effect for album covers
  
• Home screen widgets
  
• Lock screen playback controls
  
• Lyrics screen (download and sync with music)
  
• Sleep timer
  
• Easy drag to sort playlist & play queue
  
• Tag editor
  
• Create, edit and import playlists
  
• Playing queue with reorder
  
• User profile
  
• 30+ languages support
  
• Browse and play your music by songs, albums, artists, playlists and genre
  
• Smart Auto Playlists - Recently played, most played and history
  
• Build your playlist on the go
  
• Local playback only (based on the MediaStore)
  
• Sleep timer
  
• Folder browser
  
• Home screen widgets
  
• Themes (Just Black, Kinda Dark, Clearly White)
  
• Now playing themes
  
• Volume controls
  
• Blacklist
  
• Album artist support