Templates and Shortcuts
It would be great if users could create templates to allow quickly applying specific tags, the category, and the location to a new entry. This would greatly speed up entry creation.
Then, being able to use the templates to add shortcuts or widgets to the home screen would be awesome. This way users could set up various templates with the particular tags, etc. for a certain kind of entry (e.g. business/project ideas will have different tags/category than a travel journal entry) and get straight to the content of the entry.
It would also be great if shortcuts for multiple templates could be added to the notification drawer to allow super fast creation of different types of entries.