Only the current version so far — new entries appear as the app ships updates.
AI日本語会話 HAi-J is an education app by HUMAN ACADEMY CO.,LTD. with 1,000+ downloads (about 3.4K estimated). +80 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “An AI Japanese conversation app provided by one of Japan's largest Japanese language schools”