Default S-note problem

I have been looking for a way to solve this for days and still haven't been able to find a solution... I hope someone can help.

I am using Hyperdrive latest release and before flashing the ROM I made a backup on S-Note...

Now I have a file with extension. sbkp and I can't import it back!

Does anybody know how to do is or how to get the old app from stock S4?

Thank you for your time.

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