Android APK, also called application package files, is identified with the extension “.apk”. This is also the extension of JAR. If you have a gadget that runs on the Android system, you will find out that there is already APK in it, which means you can install and deploy apps designed for the Android system.
It is important for you to know the basics of these files. Actually, most Android users are not fully aware of the meaning and implication of APK files. While it is true that sometimes you can live with not pussy about APK files, it is still quite useful to learn about it just in case you need it in the future when you want to download more apps for your Android device .
Important information about these files
APK files are already included in the applications you receive from Android Market. Usually, your Android device automatically installs APK. But if the program you have not come from Android Market, make sure you install it manually in your device. This step is required so your apps can run without any problems.
How to install APK files?
Normally, APK files are installed automatically, especially if the app is from the Android Market. Otherwise, you only need to save or copy the file in your Android gadget’s memory. When you are done with the installation, make sure that you manually update the file by exporting the new file and copy to Android device memory again.
Where can free APK files be found?
You can use a search engine like Google so you can find free files of games, apps and widgets for all your gadgets running on Android system. Of course, you can also try the Android Market and other websites such as Apkpot.com specializing in marketing Android-based applications where you can find even the Game Killer APK. Always remember that there are certain rules and regulations that govern programs before approval and placed on the market. There are certain criteria and requirements that developers need to meet. Note that third-party apps may still ask for manual install of APK files.