Have we done this one yet? It's an app called Word of the rings. I downloaded it, but the puzzles were hard and stretched me to my limit...
(Wildylesis back to rimming chimps,
Sun 3 Mar 2013, 19:15,
archived)
Well you can use these apps as a training aid
You think you're at your limit, but you do it a couple of times and you get used to it, then it gets easier and the next thing you know you've widened your vocabulary.