What are APK files, and are they safe to install? Establishing trust is absolutely vital before installing an APK.

How to Run APK Files on an Android SDK. An Android APK file contains all the open-source Java files used to set up and run the Google Android app. You can extract these files and load them into ...

Download APK Tool The first and most simple tool you need for doing app teardowns is APK Tool, a free little app that lets you quickly and easily reverse engineer Android APK files.

Does the Google Play Store not offer the app you want? We explain how to install apps/APK files from outside the Play Store.

As a result of Google's threats, the file manager app Total Commander has had to remove the ability to sideload APK files.

The APK is signed by Google and upgrades your existing app. The cryptographic signature guarantees that the file is safe to install and was not tampered with in any way.