another separate topic for browsing images with arrow keys: https://support.capturingreality.com/hc/en-us/community/posts/115001351292-Browse-through-images-with-arrow-keys,
could you please specify shortcuts for what actions regarding the cycling through CPs do you have in mind?
you do not need to drag CPs from the 1Ds, there are more ways to place and handle control points, please have a look at the Control Points tutorial in the Help section of the software