It will be 300 years since Changhua was founded as a county (city). In order to promote and introduce the tourism characteristics of Changhua City, Changhua City Office broke away from past practices and used themed tourism to focus on beliefs and celebrations, transportation and settlements, food and life, nature and ecology, and style. Focusing on themes such as venues, Haoxi Changhua APP is promoted to market Changhua tourism features.

This APP combines GPS positioning to guide tourists to visit historical temples. By playing games and taking photos with the 3D Mazu model, points can be exchanged for both activities, and the points can be redeemed with partner merchants.

When tourists make purchases with cooperative merchants, they can scan the QR code to pay through the app, which supports linepay, Jiekou, Taiwan pay and other projects.