What do the LED colors on the Smart Pen mean? Do I need to create an account and register my email? Is the Notes App available for Windows? What can I do with the Notes App and the Smart Writing Set? Do my appointments automatically sync while the Notes App is offline? How do I sync my digital calendars with my Smart Planner? What are Moleskine pens made of? Does the Moleskine notes app sync appointments when it is turned off?