How about a prototype? ;-)

I've been using beta versions of Tablet PC Fitaly for years - I think that an imperfect prototype would be grabbed at by currently unserved Treones like bread offered to the starving. But it might devalue the brand.

Or a Fitaly keyboard device in credit-card size with IR beaming or other wireless connection - well, we can wish :-)

...actually I am still interested in the idea of using a barcode scanner or an adapted webcam in conjunction with "Fitaly" as printed codes on a card. Indeed, some smartphones have cameras...??

...the really tricky bit would be to interpret camera moves as slides...