Google Authenticator

This application helps secure your Google accounts on devices by adding an additional verification step

Alternative:

Alternative:

SSH tunneling app that allows you to browse the internet safely

Internet privacy utility that enables you to hide your identity while browsing online

A firewall app with a VPN

Secure your privacy on the internet by hiding your privacy with secure servers located around the world

A different sort of VPN for your mobile that's not only secure but also fast

Security and cleaning services to make your mobile phone run better