Only the current version so far — new entries appear as the app ships updates.
ボンボンアンテナ - ボンボンドロップシールの在庫・予約通知 is a shopping app by Volcane with 100+ downloads (about 213 estimated). Install growth, rank history, SDKs and ad networks.
From the store listing: “[For those who want to buy at the regular price] Get the latest information on Bonbon Drop Sticker pre-orders and stock! We only provide information from official, authorized stores, excluding resale items.”