Very nice ideas, very bad implementation!

DO NOT buy! And Zentropy, do not sell this until it works! I wish I had not bought it!
It says to do what you would need for presentations: show timer, show slide notes, pointer, and easy next and previous buttons.
But the implementation is very poor; it is way too buggy to be used in serious presentations!

Haghju about Pointer Remote for PowerPoint and Keynote