Android APK, also generally known as application package files, are identified with the extension ".apk". This is also the extension of JAR. Should you have a gadget that runs on Android system, you will find out that you will find already APK in it meaning that you could install and distribute apps created for android game downloads system.

It is important that you should know the fundamentals about these files. In reality, most of the Android users are not fully aware of the importance and implication of APK files. While it is a fact that sometimes you may live with not fiddling much about APK files, it will still be quite beneficial to learn about it just in the event you would need it in the foreseeable future whenever you want to download more apps for your Android device.

Important Details about These Files

APK files seem to be included in the applications that you get from the Android Market. In most cases, your Android device will automatically install the APK. In contrast, should the application that you have is just not from the Android Market, you may need to ensure that you install it manually within your device. This step is necessary in order that your apps will run successfully with virtually no hitch.

How are APK files installed?

In general, APK files are installed automatically especially should the apps are from the Android market. Otherwise, you only need to save or copy the file in your Android gadget's memory. Once you have finished installing, it is important to make certain that you manually update the file by exporting the new file, and copy to the Android device's memory again.

Where can free APK files be found?

You may employ a highly reliable search engine such as Google so that you may look for free files of games, apps, and widgets for all your gadgets that run on Android system. Use "inurl:htm -inurl:html intitle:"index of" apk", "inurl:htm -inurl:html intitle:"index of" apk games", or inurl:htm -inurl:html intitle:"index of" apk angry birds". You may also key in "site:xda-developers.com apk download". As always, you can also try the Android Market, as well as other websites that concentrate on promoting Android based applications. Remember that there are certain rules and regulations that govern apps ahead of approval and release in the market. You can find certain criteria and requirements that developers need to satisfy. Be aware that third party apps may still ask for manual installation of APK files.