Simple mate and if I can get you right ,you need the application for that, which is very simple,you can get that on playstore or Apple App.
Get a plagiarism checker and use that to check the originality of any content and you can even use it to check out your own work to derives satisfaction before posting too,even their are Application's that helps for grammatical error too.
But for now all we need is to download the Application and even put it on automatic check,once you click on a content to read,it will examine the content and show you it originality .
Waoo. I like the sound of that.