I have played other email Scrabble games. There's always a log of the turn for each person, the word played, and total score. Also who goes first should be alternated. I would consider donating if new features were added.
I do like what you've developed so far.
Avalon
Currently you can access this information by clicking on the Players button. then just click on the name of the player and all of their turns will be displayed. The person who goes first is randomly selected.