With the demise of Scrabulous on Facebook, we are being forced to play Wordscraper instead. It's very similar, but the board is different every time -- although it's symmetrical, it feels almost random as to where the 2W, 4W, 2L and 4L 'circles' (not squares) are located.
This means that it's possible to score very highly, with potentially multiple 4W and 2W in the one word. This led to my being confronted by a game where the opening move (against me) scored 384!!! It's proving rather difficult to recover from that.
But at least it fills the Scrabulous void.