https://apps.apple.com/nl/app/org-2020/id1469007799

Check out this app on the ipad (also available for pc and android)
Its a software version of the Korg OS..

A great substitute for people traveling witouth their arranger?
All it requires is a small midi app

- unlocking all features costs €27

Its the first time i see anything that comes even close to V-arranger