Would be great on touchscreen devices.
Here are some of the keyboard and programmatic navigation options available to you:
Thanks for your response, but I'm not sure this will help.
I do see things like stopPropagation() on "drag" event, but those seems like to stop all scrolling on touch devices, not the same sort of thing like Google maps link above. Is there any future plan to build something in like what Google have into the ArcGIS JS API either version 4 or 3?