I'm making decent progress with the updates for the newest update of my Artificial Life iPhone app. I've completed the chromosome rule editing, so it will now be possible to edit a protozoa and give it whatever behavior you want!
Here are some screenshots of the new rule editing:
The rules can be dragged to be reordered as well.
I have a few more minor changes to make, and then hopefully will be submitting this update to Apple today. There are a lot more new features I plan on adding in future updates, but this update has been delayed so long I figure it is best to make it available now. I only have a small amount of time to work on this project during the downtime between other clients' projects.
Here's a short video demonstrating the rule editing: