Only the current version so far — new entries appear as the app ships updates.
Muzei Koken is a personalization app by caketuzz with 5+ downloads (about 7 estimated). Released Apr 5, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “<b>Muzei Koken</b> shows your <b>Koken</b> gallery as a live wallpaper”