Thanks for the advice from everyone. I read the reviews from DS Fanboy (along with the IGN reviews I read earlier). Thanks for that link.
[quote name='DarkSageRK']You're not going to become fluent from a DS game.[/QUOTE]I know. But I already know conjugation and grammar for Spanish. I just need an excuse to sit down with vocabulary and memorize and use it. And I happen to know a few girls I am interested in who are fluent in either Spanish or French (What is it with girls and French?). That will be a good reason to use the vocabulary once I have some of it down. And I am already proficient in hiragana and katakana, and have basic grammar and some vocabulary in Japanese. I know the games themselves won't bring me to fluency, but they may be the nudge I need to take other steps (kind of how Wii Fit in itself isn't going to make you super healthy - but it doesn't hurt either).
I decided to get the three language "games" and since I have Wii Fit, have My Fitness Coach for the Wii on the way and plan on buying EA Sports Active, I'm skipping My Weight Loss Coach. I think these games will be fun. If I remember to, I may weigh in on these titles down the road since I didn't find much discussion on CAG about them.