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.
How about a feature where we could play several moves at once if our opponent has no move available, until one does become available? We could call it Automove, or SensibleCheckingOfPlayersAbilityToMove!