Latest release is a big improvement
The combination of this player app running in the background while using the excellent iPeng app as the controller seems like a workable combo, but connection reliability in this app are really dragging the experience down. The app loses connection to your server frequently, and can sometimes take multiple attempts to reconnect. This issue must be solved before it can be considered ready for prime time. That said, when it does work, it's great - I love streaming my home music collection into my car stereo! When it works....
Addendum - I am raising my rating from two to four stars. A recent upgraded version has made some serious improvements to connectivity. Still not perfect but much, much better!