Visually impaired students of Tsukuba University of Technology developed an application for Amazon Echo. This was presented in JAWS DAYS 2019 (2019.2.23).
The Released Alexa Skill (Audio Labyrinth -脱出ゲーム-):
https://www.amazon.co.jp/筑波技術大学スマートスピーカーアプリ開発チーム-Audio-Labyrinth--脱出ゲーム-/dp/B07P5SDFN8/