Announcement

• [2025/01/16] Grand Sumo App [ver 2.0.3]release
• [2024/12/09] Grand Sumo App [ver 2.0.2]release
• [2024/10/01] 10/13～10/14、10/21～10/22 Maintenance of "Information (Help) and Inquiries"
• [2024/08/28] Grand Sumo App [ver 1.10.12]release
• [2024/08/07] 08/08,08/25 Maintenance of "Information (Help) and Inquiries"
• [2024/05/27] Grand Sumo App [ver 1.10.10]release
• [2023/08/31] Grand Sumo App [ver 1.10.8]release
• [2023/07/27] 7/28 Maintenance of "Information (Help) and Inquiries"
• [2023/06/23] Grand Sumo App [ver 1.10.7]release
• [2023/06/07] Grand Sumo App [ver 1.10.6]release
• [2023/05/10] Grand Sumo App [ver 1.10.4]release
• [2023/03/23] Grand Sumo App [ver 1.10.3]release
• [2023/01/30] Grand Sumo App [ver 1.10.2]release
• [2022/12/14] Grand Sumo App [ver 1.10.1]release
• [2022/10/26] Grand Sumo App [ver 1.10.0]release
• [2022/08/09] Grand Sumo App [ver 1.9.9]release
• [2021/07/20] Grand Sumo App [ver 1.9.7]release
• [2020/08/21] Grand Sumo App [ver 1.9.2]release
• [2020/05/13] Grand Sumo App [ver 1.8.1]release
• [2020/04/27] Grand Sumo App [ver 1.8.0]release
• [2019/10/15] Grand Sumo App [ver 1.7.6]release
• [2019/07/22] Grand Sumo App [ver 1.7.5]release
• [2019/05/29] Grand Sumo App [ver 1.7.4]release
• [2019/04/08] Grand Sumo App [ver 1.7.3]release
• [2019/02/19] Grand Sumo App [ver 1.7.2]release
• [2019/02/13] Grand Sumo App [ver 1.7.1]release
• [2019/02/06] Grand Sumo App [ver 1.7.0]release
• [2019/01/07] Grand Sumo App [ver 1.5.9]release
• [2018/10/10] Grand Sumo App [ver 1.5.8]release
• [2018/08/21] Grand Sumo App [ver 1.5.7]release