GOT7 LIGHT STICK is a mobile application for iPhone users developed by FANLIGHT Co. Ltd. It is a free lifestyle app that enables fans of the K-pop group, GOT7, to enjoy various stage productions during concerts through light sticks.

With this app, fans can register their ticket information and select the "CONCERT MODE" to enjoy various stage productions. The app also allows users to connect their light stick with their smartphone through Bluetooth and change the color of the light stick through the "SELF-MODE" feature. Additionally, users can check the battery condition of their light stick through the "SETTING" option.

Before the concert, users must enter their seat information on the light stick and be seated in the same seat where they registered for the light stick to avoid any changes in the stage appearance. Users are also advised to check the battery condition of their light stick before the concert and set the light stick switch on "CONCERT MODE" to ensure the light stick stage production.

Overall, GOT7 LIGHT STICK is a must-have app for GOT7 fans who want to enjoy various stage productions during concerts and enhance their concert experience with the light stick.