MRT-J is an innovative application developed to improve upon the original version, focusing on enhancing user experience and functionality. It offers more accurate real-time train schedules, better route planning, and streamlined ticket purchasing options.

The main goal is to improve the user experience by making the app more intuitive, accessible, and user-friendly. This involves increasing its efficiency and functionality to create a smoother, seamless interaction. It also aim to provide a more satisfying and enjoyable user journey.

The MRT-J app has improved with a redesigned homepage featuring a taskbar for easier navigation and repositioned ads. The "Schedule" menu now offers detailed train info, and a new "Density" feature shows passenger crowd levels. The "Route" menu helps users plan trips and find nearby transportation, while the "Card" menu facilitates flexible e-money transactions. Additionally, the "Reward" menu now allows for point redemptions for merchandise or e-wallet credits, enhancing overall usability and user experience.