Aiming for some sort of Stone Age throwback, My Color Screen user TraktoR6666 created this agenda-styled interface for Android. Here's how you can get the same look on your device.
The My Color Screen page has more detailed instructions on how to install the theme. The UI keeps notes, calendar appointments, and other at-a-glance information front and centre while using virtual page tabs to provide shortcuts to other apps on your phone.
Brown Agenda [My Color Screen]