Since January 2013 we also have an App for the iPhone (also works on iPod/iPad) that you can use for remotely setting your channels. From version 1.7 of Lightning DmxControl you can use that app as a remote. It will recognize your DmxControl as an Artnet Node and you can use your USB Dmx device as if it was an Artnet device.
Be sure to check it out: Artnet Dmx Remote IOS.
If you want to see how it works, please watch our video tutorial on ArtnetDmxRemote