The up and down switch currently automatically assign the midi commands to go to the next preset. But when you’re using a setlist on your tablet that will be confusing since each list will have a different order.
If I could assign my own midi commands then I can set my table up to go to the next/previous song with a midi command of my choosing.
When it comes to MIDI, the general consensus is that users want/need “the whole kitchen sink”–the ability to do anything and everything (with any footswitch). Check out these requests:
And because footswitch reassignment is a significant part of your request: