Astro Player Nova

Powerful music and video player with audiobooks and podcasts support. Advanced bookmarks, folder based auto-playlists, fast playback up to 6x, equalizer, skins, scrobbling, fetching album art, gapless playback, auto-resume, lyrics, flac, radio, podcasts and more. Supports Google Reader and DAR.fm. Astro Player Nova is an experimental version with new features. Use Astro Player as a stable version.
It switches to Lite mode with limited functionality after 7 days.

IMPORTANT:
READ CONTACT DATA permission is used for assigning ring-tones to contacts.
GOOGLE ACCOUNT permission is used for for Google Reader integration (you'll need to accept an additional android prompt in case you decide to sync with Google Reader)

Features
Supported formats
Audio: mp3, ogg, flac, m4b(partial support), mp4, 3gp, m4a, mid, wma(not on all devices), xmf, mxmf, rtttl, rtx, ota, wav, m4a, amr
Video: mp4, 3gp

Advanced bookmarks
Unlimited number of custom bookmarks
Folder auto-bookmarks
All tracks auto-bookmarks (restores position on per-file basis)
Bookmarking functionality is available also for video
Each bookmark restores not only playback position but the corresponding playlist as well

Unique features
Adjustable playback speed: fast/slow 2x - .05x and 2x speed with the same pitch
Non-Unicode encoding support (displays Artist, Album in your own language for Non-Unicode encodings)

Auto-resuming and undo/redo
Unlimited number of undo/redo playback positions
Auto-resume
Stores playback positions each ten seconds in order to recover properly after exceptional situations

Playlists
Convenient file browser with ability to play folders including any number of subfolders
Playlist auto generation based on a selected folder
Playlist library
Search in playlists and music browser
Sorting tracks by rating and play count
M3U playlists support
Android system playlists support

Misc
Equalizer
Equalizer presets
Internet radio
Custom skins
Multi-language
Google Reader support
DAR.fm support
Lock screen with gestures and album art
Playlist shortcuts
Album/artist/genre browser
Scrobbling
Nice user interface with large buttons
Sleep timer
Delete file/folder option in the browser
Fetches missing album art from the net and SDCARD
Full screen album art
Full screen lyrics/auto lyrics
"Now playing" notification window
Resume/pause playback when the headset is plugged/unplugged
Bluetooth headset support
Quit application option (saves system resources)
Podcast subscriptions
Hotkeys, actions, menu, and buttons organizers