"Kai-CAY" is for corporate managers who want to promote inner branding, and for those in charge of public relations department, corporate planning department, human resources department, etc. that promote internal communication / internal public relations, Grassroots Co., Ltd. This is the developed app. With the aim of "opening a company," we will provide various seminars, information, learning materials and tools that will help promote inner branding. It is an indispensable app for viewing video seminars and contents on mobile devices and attending live seminars.