Today I got my first experiences with Lemur for iPad and I must say that this software is really a master piece! :)
In distance to TouchOSC the controllers are fully programmable with an easy to learn script language.
And in distance to OSC it's also possible to work with MIDI at low-level -> means: at bit basis (e.g. a MBSID Editor is feasible)! :)
Within a couple of hours I was able to implement a complete BLM16x16+X emulation:
The user interface feels much better than the