Do you and your developers feel comfortable with Java? If not, don't go there. Also this sounds like a control application... it seems like Android is too much for that.

Totally agreed. I think corporations are wasting money on TV. The future is personalised adds. I also consider myself add-influence-free (thank God). I think that with the hand of technology is possible to deliver information that's useful for each individual. Maybe that's why amazon is very successful.

The problem is how to deliver such information without saturating the user with "spam", but definetely that's the way to go, Ad-Sense and all that stuff. Advertising based on "knowledge" of each individual.
CL