01-14-2017, 08:05 PM
If I'm not mistaken, FBV express doesn't use an app to convert signals into MIDI, it sends MIDI data itself, you just use the app to configure what type of MIDI messages are sent. iRig Blueboad seems to have different behaviour and works as you described.
Tablet: Surface Pro 8,
Other: Strich BT-FP2, USB-MIDI connection to Kurzweil Forte 7