USB Copy - idea

I use Google translate
Hello. I have an idea for a module.
How do you look at USB Copy?
You have a USB drive and a flipper with this module. You can in a short time copy all the information from your USB drive to the flipper sd card (or use it somehow) without using a computer
Or vice versa
Copy information from the flipper sd card to your USB drive
It is possible to realize the function of capturing the keys by installing two USB ports in the module and making it an intermediate link between the keyboard and the computer and recording all keystrokes into memory.
What do you think about this?

P. S. Sorry for mistakes

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