THE REASON Official LightStick is an Android app designed to enhance the concert experience for fans using the EXILE THE REASON Official Light Stick. The app offers several key features, including seat information settings, Bluetooth connectivity, a self-mode for color selection, and battery level checks. Users can connect their light stick to their smartphone for synchronized effects during live performances, ensuring an engaging show experience.

The app allows users to select their concert from a list, input ticket information, and control the light stick’s performance in real-time. Additionally, the self-mode enables users to customize the light stick's color according to their preference. The battery check feature helps users ensure their light stick is powered adequately before events, contributing to a seamless concert experience.