Andriod APP Install link: https://app.fortop.one/download
1. Using the browser, navigate to install link, click [download] to save APK file, and install TOP.ONE app
2. After install success, you can click icon to open TOP.ONE app
3. You can also open the TOP.ONE mobile phone official website https://app.fortop.one/ by using browsers, click the [Download] button in the bottom to download and install the App.