Just Dance Controller

NOTE: This app is not to be confused with Just Dance 2015 Motion Controller.

Just Dance 2015 Controller is a free app by Ubisoft where players can use a smart phone and play Just Dance 2016 and it's demo on the PlayStation 4,Xbox One and Wii U, akin to Just Dance 2015 Motion Controller.

How it works
This app is only compatible with the Xbox One,PlayStation 4 and Wii U versions of the game. With the use of the app, the phone can be used as a controller to count your moves. The phone will work similar to that of a Wii/PlayStation Move remote. The app also allows you to select the songs through the phone. It also makes a sound when you achieve a star or perform a Gold Move correctly.

Trivia

 * This is the forth app made by Ubisoft that is related to Just Dance. The first one is Autodance, the second one is Just Dance Now and the third is Just Dance 2015 Motion Controller.