1. Open the Apple Mobile App Store, App Store.
2. Enter "Heng Xiaohua" in the search box to search.
3. Find the application of "Heng Xiaohua" and click to enter the application details page.
4. In the application details page, click the "Download" button to download and install.
5. After the download is completed, Heng Xiaohua will automatically install it on his mobile phone.
6. After the installation is completed, you can find and click the "Heng Xiaohua" icon on the mobile phone desktop, log in to your account and start using the application.