Android APK, also referred to as application package files, are identified with the extension ".apk". This is the extension of JAR. If you have a gadget that runs on Android system, you'll find out that there are already APK in it which means that it is possible to install and distribute apps made for Android system.

It is necessary for you to know the basics about these files. Actually, the majority of the Android users are not fully aware of the importance and implication of APK files. While it's true that sometimes it is possible to live with not fiddling much about APK files, it could still be quite beneficial to learn about it really in case you would want it down the road when you want to download more apps for your Android device.



-Important Details about These Files
APK files are already included in the applications that you get from the Android Market. Usually, your Android device will automatically install the APK. However, in the event the application that you've is not in the Android Market, you need to make sure that you set it up manually in your device. This task is needed so your apps will run successfully without the hitch.

-How are APK files installed?
Normally, APK files are set up automatically especially if the apps originate from the Android market. Otherwise, you just need to save or copy the file inside your Android gadget's memory. Once you have finished installing, make sure that you manually update the file by exporting the new file, and duplicate to the Android device's memory again.

-Where can Apks For Free be discovered?
You can use a highly reliable search engine such as Google to enable you to search for free files of games, apps, and widgets for all of 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 can also key in "site:xda-developers.com apk download". Needless to say, you can also try the Android Market, as well as other websites that specialize in promoting Android based applications. Be aware that there are certain regulations and rules that govern apps just before approval and release on the market. There are certain criteria and requirements that developers have to satisfy. Note that third party apps might still ask for manual installation of APK files.