Have a lookie here, all “smart” instruments (can be used in Cubasis) you have wished for and so much more… 
http://www.iosmusician.com/2011/09/list-of-ios-apps-with-virtual-midi.html
Have a lookie here, all “smart” instruments (can be used in Cubasis) you have wished for and so much more…
http://www.iosmusician.com/2011/09/list-of-ios-apps-with-virtual-midi.html