What you need to know about APK files Before we proceed on how you can find free APK files for android games, apps and widgets, it would be good if you learn the basics about APK files.

We often talk about APK files when discussing Android phones. But what are APK files, how do they work, and why should you care about them? Let's explain.

I'm going to use F-Droid, an alternative app store that only carries free and open source applications, to demonstrate how this works. I downloaded the APK file from the website, then I tried to ...