RepeatPlayer is originally designed for studying language but you can also use it for listening music.
I assure that It has very simple functions and very useful to repeat audio partially.
I hope It will be helpful for smart phone users by using the RepeatPlayer, however I made it personally.
* Playing Audio(.mp3, .mp4, .3gp, .flac, .mid, .xmf, .mxmf, .rtttl, .rtx, .ota, .imy, .ogg, .wav)
* Partial Repeat
* File Browsing
* Auto addition of recent play list
* Managing Play List(including sorting)
* delete file
* show folders including audio files only.
* sleep timer
* Playback speed control
* Repeat interval