It is not a full User’s manual but a description of the elements of iPeng that work differently in 1.1 form the current 1.2 version.
What’s new in 1.1?
Changes implemented in iPeng 1.1.
General Usability
Some general information on how iPeng works. You should at least read this.
NowPlaying
The NowPlaying screens including the player view and the playlist view