Ruzzle is a nice game and it is become popular all over the world in a few months.
I do not want to be here to explain the game, you already know, but I want to tell you a way to win with ease. It is not correct, but many use it.
The procedure is the following:
1) Start the game and take a screenshot.
2) Play without fear.
3) When you see that you're losing (towards the end, last round), then close the connection to the internet and wait a bit. Use a program to generate words longer and with highest score.
You use the follwoing site internet:
4) Re-play the round (the game is replayed as the connection to the server was interrupted) and put the word with highest score.
Another way is to use the following app: