What is an Industrial Sensor?

[anon(10664110)]

I have a Samsung J3 Luna Pro and I'm finding weird things on it that I've never heard of let alone downloaded. The latest is the blueprints for making an Industrial Sensor? What is it and why would it be on my phone? Thanks

 

[B. Diddy]

It looks like you canceled your account, but if you do see this and still feel like responding -- are these files in your /Download directory?