This touch-pen has a built-in camera and then reads dots printed on a paper by special printing when touching the pen tip to the surface of the paper, and converts all "sounds" which can be recoreded, such as human voice, music, sound of bells, etc., to audio sounds. So, it can apply to all types of printed material, such as tourism pamphlet, congratulatory card, cheering message sheet, school yearbook, etc. If it is printed in Japanese, the sound can be in any languages. This could be used for various purposes, especially interacting with foreigners, for example, interview sheet, panphlets of company/tourism/commodity, etc.