Only the current version so far — new entries appear as the app ships updates.
おうちに帰ろう! is a tools app by KOUJI KAWAI with 100+ downloads (about 274 estimated). Released Jun 16, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “This is a useful app that displays the navigation route to a designated emergency evacuation site or a pre-registered home on foot in the event of a disaster.”