おしきゅん is a lifestyle app developed by SANRIO CO.LTD., designed to support fans in their activities related to their favorite idols. The app offers features like "コミュ" where users can create calendars for their idols' schedules, follow others to input comments and schedules, and link idol schedules to their private calendar "マイカレ" for easy reference. Additionally, users can communicate through text and stamps on bulletin boards linked to schedules. The app also includes a task list feature tailored for idol-related tasks, allowing users to set reminders and link tasks to idol schedules. With a focus on fans' well-being, the app also helps manage personal schedules alongside idol-related events, fostering a balanced lifestyle for users.