Just Dance 4 is for people who want to keep fit or enjoy dancing, if this is your thing then this game will solve a basic need.
Just Dance 4 with the Kinect is a dance game in which the users have to mimic the dance moves that appear on the screen and they are scored on how well they can accurately repeat these dance moves during any given track supplied in the game. At times this is challenging, especially during the initial start of the game when you have had no practice, but after a little practice it becomes far easier to get a higher score and mimicking the dance moves becomes a breeze.
There are numerous problems associated with the menu screen where you use the Kinect in order to select the track, this is tedious and can at times become very frustrating as you often find times where you hover your hand over selected tracks and end up selecting the wrong track due to the awful menu screen. That and the limited number of tracks that have been assigned to the game make it really not everyones cup of tea. A good alternative would be Dance Central which compared to this title is a far better choice of dance game.
Depending on the song in question, you can at some points have up to four players in what is known as a dance off, where you and your friends can have a competition, but to be honest it still gets a bit boring without integrating the option to have more players and different dance offs.
There is a downside also to playing with a friend, as for some unknown reason tracking is much harder for the Kinect to keep of more than one person, why this is so I have no idea, but it adds to the overall frustration with the game. The other problem is the addition of a category associated with keeping fit. Again this does not make sense either, as when one or more players are using the workout the calories of each player following a routine with the same rating shows different calories.
Within the track listing you are able to play over 50 tracks from an array of artists, these include One Direction, Rick Astley, 2 Unlimited, Barry White, Will Smith and other artists to boot. All the tracks come from different artists and I feel they did this to try and reach a larger audience by making it more of a karaoke style setup.
For people who want to keep fit or who enjoy dancing this will solve a basic need, but personally I would go with Dance Central 3. The problems associated with this game and the lack of direction or finalization has made this more of an annoyance rather than a dance game which is fun to play.