Only the current version so far — new entries appear as the app ships updates.
Vanchi - 匿名掲示板|国産SNS is a social app by VANCHI LAB with 100+ downloads (about 169 estimated). +2 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Share local topics by city, town, or village. Anonymous posting and replies are easy, and reports and automatic detection make this a safe local bulletin board.”