Only the current version so far — new entries appear as the app ships updates.
地デジアンテナ調整 is a tools app by m-eng with 50,000+ downloads (about 99K estimated). +95 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “This is an antenna adjustment app that allows you to check the direction of digital terrestrial television transmission towers and relay stations on a map from your current location or a specified location.”