環騎圓夢 is a travel and navigation app developed by 交通部運輸研究所 specifically for cycling enthusiasts in Taiwan. The app serves as a one-stop solution for planning and executing a cycling trip around the island.

The homepage provides users with information about the popular cycling route, 環島1號線 (Highway 1), including a recommended 9-day itinerary and details about the Sun Moon Lake cycling route and other bike paths.

During the cycling journey, users can utilize the app as a personal record-keeping tool by tracking their riding routes. The app also offers a "Point of Interest" feature, which provides information about supply stations, attractions, restaurants, and hotels along the way.

One notable feature of the app is the "Route Deviation Detection" function. It automatically activates when users deviate significantly from the recommended route, alerting them with vibrations and sound to get back on track.

Additionally, the app includes a location sharing feature (SOS) that allows users to quickly share their whereabouts via Line or text message with others.

Please note that to ensure the security of personal information, it is recommended to update to the latest Android version before using the app. When logging in, users may be required to provide personal information such as account details, password, phone number, and location, depending on the nature of the services provided by the app. The app has a privacy policy in place to protect user privacy, and users must agree to the policy to continue using 環騎圓夢.

When using 環騎圓夢, users can grant individual permissions for the following:

1. Location permission: Record riding routes and obtain speed and location information.

2. Camera permission: Take photos during the cycling journey.

3. Storage permission: Upload and download GPX files.