What this implies is that Facebook collects (or shares) data from all third-party that uses any of their tools (this third-party ranges from App developers to advertisers). Examples of the tools are Facebook SDK, Facebook Pixel etc.
The more important or annoying part if you were, is that even Paid Android apps etc (MX player Pro) were sharing usage data with Facebook funny enough, there is nothing in the app that links it to Facebook.
To make matters worse, I tried to view the my activity data shared with Facebook by some of these App developers and there was no details at all.
Anyways, go to https://www.facebook.com/off_facebook_activity/
And turn it off for yourself or you can see the video for more details