Were calendars on your mind? They were on mine, because I added a UIDatePicker subclass to KeyboardKit that supports spatial navigation using arrow keys. github.com/douglashill/KeyboardKit/pull/14
- Change day ←/→
- Change week ↑/↓
- Change month ⌥←/⌥→
- Change year ⌥↑/⌥↓
- Go to today ⌘T