Props to Destineer for their DS release of WordJong. The reviews are not wrong to give it an 8 of 10; it's no 9.8/10 multi-million-dollar blockbuster. But it is very solidly an 8 out of 10, a very competent execution of the basic concept. The dictionary is rich, the game modes complement each other nicely, exploring the basic concept without undue repetition.
If you think you might like it based off of the descriptions in the reviews, you probably will.