Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
Unicode is another character system, like ascii. Since the ascii character set (the one most widely used, including on this site) nearly restricts characters to english, it does not work so well for languages that are not english. Unicode support will make it much easier for Fencer to support additional languages.