Much as I like to be other wise genie is out of the bottle here , only thing we can do is to keep design of your app as platform neutral as possible. than attack the implementation part with tools for cross platform development , Java , J2ME is one way , there are other tools like Mobile Distelry
Disclaimer : I work for SpiceLabs the company behind Mitr
Heh, here I was wondering if you could identify different positions from the spectrum.
heat map variation sensor make a more elegant solution IMHO . with a little knowledge of topography of room you can do a relistic 3 D modeling of scenario .
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