Press the scrabble piece to select which player you are (1 or 2), then tell it the word(s) you are playing if it says invalid word you can't play it, so it's not in the scrabble dictionary, if it adds to your score, then it is a valid word and added the score of the word to your points.
Thanks to @UltraGamer_Studios for the scrabble word list of 178,281 scrabble words!
