I have seen several comments in iTunes asking for a call book feature. My purpose of My Ministry was to provide a simple Time & Placement tracker without the need to delve into call management. I am working on a second app which will be a call book replacement. However that will be a ways out, as I am still working out what I consider to be a simple and intuitive UI to navigate to make the app feel like a paper replacement. Secondly I am still working on iCloud integration on My Ministry which I want to have completed before moving on to a new app.
Thanks again for all the comments.