Specifically for playing lyric or subtitle.

Functions:

1) Synchronously display lyric when playing mp3. Support for multiple languages.

2) Tap one row of lyric, play mp3 from this row.

3) Double-tap one row of lyric, repeat playing mp3 only for this row.

4) Support for slow play: 0.75x, 0.5x.

5) Search words/phrase in all lyric/subtitle files.

6) Look up words in dictionary.

7) Add new words to notebook.

8) List directories and files just like on PC.

9) Support upload/download audios. People can share their audios with others.