Good newsfor Android tablet and Korg - Kronos / Krome / Kross / M3 / M50 / X50 / Yamaha - Motif / MOX / MX / MO / and other MIDI compatible Synthesizers/Workstations owners.

MidiArranger can use Yamaha styles with a workstation. The project is still at a beta stage but seems interesting. Testers are wanted.

Google: midiarranger android