Only the current version so far — new entries appear as the app ships updates.
東京初心者 - 東京旅遊指南 is a travel & local app by ヒーロー維 with 10,000+ downloads (about 35K estimated). Released Jan 2, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “A must-have for independent travelers to Tokyo! AI travel assistant, guides to 60+ attractions, currency conversion, Japanese conversation, transportation guide – even first-time visitors to Tokyo won't be afraid.”
