This app provides comprehensive support for music festivals, from announcing the lineup of artists to ticket applications and helpful guides for beginners. Users can apply for tickets in advance and receive push notifications for artist announcements and ticket availability through the "J Fest" app. Additionally, the app offers a guidebook with information on accessing the venue, purchasing official merchandise, advice on attire and what to bring, as well as fashion snapshots of festival-goers. The app also includes features that are useful on the day of the festival, such as a timetable and map. Users can create their own personalized timetable, access information on food and beverage options, merchandise, and navigate through the festival grounds using the area map. Users can also save their favorite food and beverage options and merchandise, making it convenient for festival preparations. Even after the festival ends, users can continue to enjoy the experience through live videos and photos. The app offers limited-time access to live footage from the festival, as well as photos and setlists from the acts immediately after their performances. The app is compatible with several popular festivals in Japan, including the Rock in Japan Festival, Countdown Japan, and Japan Jam. Users can expect a seamless experience from ticket applications to the day of the festival, with all the necessary information and features conveniently provided in one place.