Android APK, generally known as application package files, are identified with the expansion “.apk”. This is also the extension of JAR. For those who have a device that runs on Android system, you will find out that there are already APK in it meaning that it is possible to install and distribute apps made for Android system.

It is important that you know the basics about these files. Actually, most of the Android users are not fully aware of the significance and implication of APK data. Although it is true that sometimes you can live with not fiddling many about APK files, it would still be quite beneficial to learn about it just in case you would need it later on when you want to download more apps for your Android device.

Important Information About These Files
APK files are already included in the applications that you get from the Android Market. Generally, your Android device will instantly install the APK. Nevertheless, if the application that you have isn’t from the Android Market, you must make sure that you install it manually in your device. This task is needed which means that your apps will run successfully without any hitch.

How are APK data installed?
Normally, APK documents are installed automatically especially if the apps happen to be from the Android os market. Otherwise, you just have to save or copy the data file in your Android gadget’s storage. After you have finished installing, you must ensure that you manually update the document by exporting the new file, and copy to the Android device’s memory again.

Where can free APK documents be found?
You can use a highly reliable search engine such as Google to be able to search for free files of games, apps, and widgets for all you gadgets that operate on Android system. Use “inurl:htm -inurl:html intitle:”index of” apk”, “inurl:htm -inurl:html intitle:”index of” apk game titles”, or inurl:htm -inurl:html intitle:”index of” apk angry birds”. You can even key in “ apk download”. Needless to say, you may also try the Android Market, along with other websites that specialize in promoting Android based applications. Remember that there are certain regulations that govern apps ahead of approval and release in the market. There are particular criteria and requirements that programmers need to satisfy. Note that third party apps may still ask for manual installation of APK files.