Only the current version so far — new entries appear as the app ships updates.
エモオク is an entertainment app by 株式会社モバオク with 500+ downloads (about 832 estimated). +2 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “A new-era artist support app that lets you support your favorite artist's dreams through cheering, auctions, and limited-edition merchandise. Dreams come to life through the fans' support. Now, you too can become a part of your favorite artist's story.”