Game is played here: https://twitter.com/WordsyBot

How to use it:

• Modify the code to change the set of word lists
• Copy the board from a tweet
• run ruby play.rb
• Paste the board
• Press Control-D
• Wait a moment
• Choose your favourite word from the output
• Paste it as a reply to the tweet
• Check your score

Note that their word lists aren't exactly the same, so sometimes it won't accept your word.