The Nagaoka Fireworks Official App offers a comprehensive experience for attendees of the Nagaoka Matsuri Fireworks Festival. Users can access the latest event information, offline fireworks program, map features including parking details and venue guidance, official videos, photo galleries, and a unique "Nanairo Light" feature. Additionally, the app provides a home screen widget for countdowns to the fireworks display and answers to frequently asked questions.

The Nagaoka Matsuri Fireworks Festival is renowned for its spectacular fireworks displays, featuring the iconic "Shosan Shakudama" and other mesmerizing shows synchronized with music. The festival, originating from a post-war reconstruction event in 1945, holds deep significance for remembrance, recovery, and peace. For detailed festival information, users can visit the official website.