As an intellectual exercise, this is clever. I imagine it wouldn't take long to learn how to use it to write a basic application. I'm also willing to bet that

As an intellectual exercise, this is clever. I imagine it wouldn't take long to learn how to use it to write a basic application. I'm also willing to bet that the time I spend learning the Arabic writing system in order to use this would be of general value, too. I'm fascinated by writing systems.