This is a convenient way to control the Mini Moog VST without having to make a custom one in something like TouchOSC.
The Mini-V Controller is the latest 4LittleFonzies iPad controller. It controls the Arturia Mini-V virtual instrument like you're turning the knobs on real hardware. No fiddling on the screen with your mouse; just control the Mini V while your performing on the keyboard.
It uses the wireless MIDI possibilities of the IOS CoreAudio framework. On the VST side, the wireless MIDI is enabled with: OSX -> Build-in Wireless MIDI Windows -> rptMIDI (http://www.tobias-erichsen.de/rtpMIDI.html)
That's a nice deal for a dedicated controller app, at one-tenth the price of the competition. Here is an overview from the developer.