Only the current version so far — new entries appear as the app ships updates.
DKロック is a tools app by Daito Trust Construction Co.,Ltd. with 1,000+ downloads (about 2.7K estimated). +127 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is a dedicated application that allows you to use the entrance battery lock "DK Lock" installed in the room provided by Daito Trust more conveniently.”