駅からハイキングアプリ JR東日本 is a free Android app developed by the East Japan Railway Company ekihai. It is designed to provide information about the hiking event "駅からハイキング" organized by the company. The app offers a variety of features, including course search, course registration, push notifications for event information, history tracking, prize draws, and coupon redemption.

One of the app's main features is the ability to register for hiking courses using GPS (location information) services. You can also search for courses based on keywords, location, and date. Additionally, the app provides push notifications to alert users of any changes or cancellations to the courses. The app also allows users to keep track of their participation history and walking distance. Finally, after participating in three courses, users can enter a prize draw and receive a coupon for their next hike.