From website:

Why should you use One2Go?
Step One - hold the joystick down for one second - you will see on your screen the Pop- Up Flag:

Step Two is simply to release the joystick. What you see is the Information Panel. Information that you need from the Calendar, To-Do and Messaging applications are pulled to together and presented in various panels. Just use the joystick to scroll across the Information Panel to view Upcoming Events, Outstanding To-Do's, Calendar, Incoming Message and the Others Message folder.

To buy:
Handango
For trial version and more info:
http://www.ximplify.com/one2go/one2go_main.htm
Price: $12.00
--
JyriK