Android APK, 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 technique, you will find out there are already APK in it meaning that you can install and distribute free navigation app for android apps made for Android system.

It is important for you to know the basics about these files. Actually, a lot of the Android users are not fully aware of the importance and implication of APK data files. Although it is true that sometimes you can live with not fiddling much about APK files, it would still be quite useful to learn about it just just in case you would need it down the road when you want to download more apps for your Android device.

IMPORTANT INFO About These Files
APK files are already included in the applications that you will get from the Android Market. Usually, your Android device will immediately install the APK. However, if the application form that you have is not from the Android Market, you have to make sure that you install it manually in your device. This step is needed so that your apps will run successfully without any hitch.

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

Where can free APK documents be found?
You can use an extremely reliable search engine such as Google to be able to search for free files of games, apps, and widgets for all your gadgets that run on Android system. Work with “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 even type in “ apk download”. Of course, also you can try the Android Market, and other websites that specialize in promoting Android based applications. Remember that there are certain regulations that govern apps ahead of approval and release on the market. There are specific criteria and requirements that programmers have to satisfy. Note that alternative party apps may still ask for manual installing APK files.