FreeOTP+ is an free and open-sourced 2FA autenticator forked from the original FreeOTP with additional feature to help backup, restore and interoperate with other OTP authentication clients.
1. Back up the data to Google Drive or other storage
2. Restore data from Google Drive or other storage
3. Material design and updated UI.
4. Android 6.0 on-demand permission support
5. Android 6.0 backup support. After reinstalling, all your saved authentications will come back.
6. Dark theme support
7. Search token
Source code: https://github.com/helloworld1/FreeOTPPlus
Original FreeOTP: here: https://play.google.com/store/apps/details?id=org.fedorahosted.freeotp&hl=en