Can't happen? Does! Be careful what you sign up for (pun intended).
As a Raccoon user, you’ve probably come across apps that request the com.android.vending.CHECK_LICENCSE permission. It is used exclusively by apps that are sold on Play and pretty much a red flag.
The Finsky useragent (not the same as the Chrome useragent) is used to determine app/device compatibility.
Let's dive deep into the Android OS and talk a bit about how app compatibility is determined and how big G keeps track of your device.