Announcement

• [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
• [2018/07/04] Grand Sumo App [ver 1.5.6]release
• [2018/05/30] Grand Sumo App [ver 1.5.5]release
• [2018/05/11] The announcement of temporary delivery stop of the application