This is a known problem with the iPhone OS 2.0. Try restarting your iPhone. This has fixed the problem for every Morocco user so far to report it.
If that doesn't work, Morocco might have gotten corrupted. Please try reinstalling it. For more information, please read the following article from Apple:
Troubleshooting applications purchased from the App Store
The British Othello® Federation has a very nice description of the rules.
Othello® is a trademark of Anjar Company. Reversi is a common, but generic, name and I wanted something that would stand out.
Since Shakespeare supposedly based the character of Othello on Moroccans who visited England around the time he wrote the play, I thought it seemed appropriate.
If you encounter a different problem, or have questions or feedback about Morocco, please email me:
When reporting a problem, please provide a complete description of what you were doing at the time, what you saw happen, and the model of iPhone or iPod touch that you are using. If at all possible, a picture or screenshot of the board at the time the problem occurs would also be very helpful.