Only the current version so far โ new entries appear as the app ships updates.
YDS StoryBook is a productivity app by YOURSSU with 10+ downloads (about 39 estimated). Released Jun 30, 2022. Install growth, rank history, SDKs and ad networks.
From the store listing: โThis is a StoryBook Application that helps you to more easily understand the design system, YDS, used by the Soongsil University club YouShoe.โ