App Championship
2025-06-20 08:32:34

The 15th App Championship Set to Inspire Future Young Innovators

The 15th App Competition: Fostering the Next Generation of Innovators



The Marui Group, based in Nakano, Tokyo, has joined forces with Life is Tech, located in Minato, Tokyo, to announce the 15th App Championship. This event is specifically designed for middle and high school students across Japan, encouraging them to create mobile applications and web services.

About the App Championship


Launched in 2011, the App Championship aims to discover and nurture young creators who will lead the next generation. The theme for the competition is "Let’s try. Your current self, your skills, and your ideas." Students from elementary to high school are encouraged to submit their applications compatible with iPhone® and Android™ devices or create browser-based applications. This year's competition will feature three categories: the AI Development Division, focusing on applications that utilize artificial intelligence; the General Development Division, which assesses creativity and technological skills; and the Idea Division, where participants tackle real-world challenges provided by sponsoring companies. Marui Group has been actively involved as a co-host since the 12th competition in 2022, collaborating with Life is Tech to support this initiative.

Important Dates


  • - Submission Deadline:
- AI Development and General Development Divisions: September 7, 2023, by 5 PM
- Idea Division: October 19, 2023, by 5 PM
  • - Final Event: November 16, 2023
For further details, students can check the special event website: App Championship Special Site.

Highlights from the Previous Competition


The previous event showcased the incredible talent among finalists. Here are some memorable moments from the competition:
  • - Group photos of the finalists at the venue.
  • - Final presentations by the competitors.
  • - Demonstrations and interactive sessions with the showcased applications.

Winners of the Previous Competition
  • - General Development Division Winner:
"mappy" by Rino Ito, a second-year high school student in 2024. This app connects locations with memories by allowing users to link photos, music, and letters to specific places, preserving emotions and recollections vividly over time.
  • - AI Development Division Winner:
"TutoriaLLM" by Sousei Tokumaru, a third-year high school student in 2024. This innovative app enables children to learn programming in an engaging way through interactive dialogues with AI, functioning like a tutor that guides them through various programming concepts, promoting self-led exploration and critical thinking.

For more details on the past competition and its outcomes, you can visit:

Marui Group's Vision


Marui Group's mission is to foster an inclusive society where every individual can experience happiness. Achieving this monumental goal requires collaboration beyond our own capabilities. To fulfill this vision, we practice co-creation management with stakeholders, including future generations, striving to harmonize everyone’s needs and happiness. We aim to contribute to social issue resolution and profit generation through our business activities. One of our key impact goals is about creating a shared future for upcoming generations, as we believe that their values and creativity will drive positive societal change.

Since participating as a sponsoring company from the 11th competition in 2021, we have been inspired by the talent and innovative mindset of future generations. This motivation led to our joint hosting participation starting from the 12th competition. The appreciation from companies that empathize with our competition philosophy continues to grow, highlighting the expanding circle of support for the competition.

As we embark on the 15th tournament, we are committed to collaborating with sponsors and Life is Tech to actively support the dreams and aspirations of today's young innovators.

About Life is Tech


  • - Company Name: Life is Tech, Inc.
  • - Headquarters: 1F, Minamiazabu Building, 2-12-3 Minamiazabu, Minato, Tokyo 106-0047
  • - Phone Number: 03-5877-4879
  • - Website: Life is Tech
  • - CEO: Yusuke Mizuno

About Marui Group


  • - Company Name: Marui Group, Inc.
  • - Headquarters: 4-3-2 Nakano, Nakano-ku, Tokyo 164-8701
  • - Phone Number: 03-3384-0101
  • - Website: Marui Group
  • - CEO: Hiroshi Aoi
  • - Related Companies: Epos Card, Marui Co., Ltd., M&C System, etc.


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