Используйте приложение APKPure
Историческую версию Authen2cate можно получить на Android
Клиент мобильной аутентификации
The Authen2cate mobile application has many features and functionality that includes push notifications for Multi-Factor Authentication enabled applications, Password Reset, and Account Unlock functions. Users can securely initiate and complete a password reset using their mobile device and unlock their account after too many failed login attempts.