Only the current version so far — new entries appear as the app ships updates.
スマホでヨットレース NetLogger is a sports app by GPSTracking.jp with 1,000+ downloads (about 3.2K estimated). +2 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is an application for yacht racing on a smartphone. This is an app for sending ship positions, so you don't need it to watch races and wakes.”