What possesses people to put out licensed products for TV shows that cannot possibly be interesting in game form? 'Deal or No Deal' was an obvious problem... the show is all about the psychological pressure of maybe winning - or losing - big money. Well, since the DS doesn't allow real world gambling, that's simply not going to happen in a game version, and it becomes nothing but Boring Random Guessing. Might as well play *bingo*, that's not a game either.
So now they're selling a licensed game of "The Biggest Loser"?
First off, I should state that I have serious ideological differences with the original TV show. Rapid competitive weight loss is not healthy, many people have told behind the scenes stories of just how sick they became doing this. Unless there was a clear fixable problem causing the weight gain (which sometimes there is), massive weight loss is almost never sustainable. It comes back, and the huge strain on the system of the loss/gain has nasty long-term consequences.
Top that off with a show title that is clearly mocking its competitors while 'cheering' them along to do something dangerous and unhealthy, and... well, I'm not a fan.
Now, how the heck are you going to make this into a fun 'game'?
Right. You're not.
Okay, that Japanese game I talked about long ago shows that you can make a fun game about losing weight, but I didn't think they were going to go there, and they didn't. OTOH portable collections of nutritional and recipe information can be handy... but if it only provides calorie information and not nutritional information, that's pretty useless again. ROCKS may be low calorie, that doesn't make them a healthy diet. :)