Announcement

• [2025/07/29] Grand Sumo App [ver 2.4.2]release
• [2025/07/18] Grand Sumo App [ver 2.4.0]release
• [2025/06/23] Grand Sumo App [ver 2.3.0]release
• [2025/06/16] Grand Sumo App [ver 2.2.0]release
• [2025/06/10] Important notice for customers using Android OS less than 6.0
• [2025/04/24] Grand Sumo App [ver 2.1.0]release
• [2025/04/08] Grand Sumo App [ver 2.0.9]release