FreeOTP+
OTP app that is similar to Google Authenticator
Screenshots
Hunter's comment
FreeOTP plus, unlike other OTP apps, has an export functionality.
Therefore, if you are resetting your 2FA device, you don't need to go through the pain of dissabling 2FA in all the sites you have setup.
Link
https://play.google.com/store/apps/details?id=org.liberty.android.freeotpplus&hl=en_US
Contributors
Hunter: 
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