I’ve not used a surface book but am using a Slate Raven MTI2 on Mac. Unfortunately, Kyma is not multi-touch. I don’t know whether this is more a Mac problem or a Kyma problem though… Agree, that multitouch Kyma would be nice. Even with mono-touch it’s still nice to be able to grab things in the VCS and even to drag and drop prototypes/modules using your finger.