Zinta Authenticator generates 2-Step Verification codes on your phone.
How to get it?
1) Independent App
2) Included with all apps using ZintaPay

2-Step Verification provides stronger security for Every App or Website by requiring a second step of verification when you sign in.
In addition to your password, you’ll also need a code generated by the
Zinta Authenticator app on your phone.

Features:
Generate verification codes without a data connection

* Custom In-App UI for the easiest and most secure apps available 
* Zinta Authenticator works with many providers & accounts
* Automatic setup via QR code
* Transfer accounts between devices built in

Permission notice:
Camera: Needed to add accounts using QR codes