This app is software used by organizations and companies that require mutual collaboration rather than individual individuals. It is a collaboration service consisting of a total of 40 modules that require collaboration, including email service, electronic approval, bulletin board, project management, schedule management, OKR goal management service, attendance management service, video conferencing service, shared object reservation management, and asset management. Not only can you use it on a PC screen, but you can also see a screen optimized for mobile. On PC screens, it is wide and large, and on mobile screens, the screen is configured so that it can be viewed most optimally in portrait mode, which is mainly used.