It will scare the daylights out of the main arranger customer, (Home Hobby Player) so if you want something like that, you will always need to use it on a laptop and connect the laptop to the arranger.

While 99% of arranger customers are happy for new sounds & effects (Hence these types of VSTs are ideal to be added), in depth editing and creation are so for down the scale that you would need the Hubble space telescope to see them, thus there is no way arranger manufactures are going to lose sales just to please a few techie’s

Bill