電車時刻表 is a maps & navigation app by 勝@工作室 with 50,000+ downloads (about 60K estimated). +24 installs in the last 7 days. Released Oct 28, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “If you download the train station timetable data you need to your smartphone in advance, you can use it offline.”