Android:
Download: https://play.google.com/store/apps/details?id=com.tinwei.app.authenticator
IOS:
Download: https://apps.apple.com/cn/app/%E5%A4%A9%E7%B6%AD%E9%A9%97%E8%AD%89%E5%99%A8/id6547850339?l=en-GB
APK:
Download: https://etrade.luenfat.com.hk/Download_Attachment/TWAuthenticator.apk
For more information to login and Authentication, please visit User Manual：
User Manual