OggPlay is an audio player for smartphones.

Main features of OggPlay:
+ Plays .ogg, .oga and .flac audio files (.mp3 support coming soon)
+ Detects and plays audio formats supported by the phone (MP3, AAC, MP4, M4A, WMA)
+ Skins (you can make your own, or use already made ones)
+ User defined hotkeys
+ Auto play
+ Shuffle play
+ Alarm clock
+ Digital volume adjustment (aka volume boost)
+ Gapless playback (coming soon)
+ Bluetooth / Wi-fi / internet streaming (coming soon)
+ Free!