Download The APK is signed by Amazon and upgrades your existing app. The cryptographic signature guarantees that the file is safe to install and was not tampered with in any way.

But how do you do it? These instructions are specifically verified for installing an APK file onto a Kindle Fire HDX ( at Amazon) using the free app Easy Installer for assistance. 1.

Amazon Fire tablets run an Android-fork called FireOS with its own, limited, app store. Fortunately, you can install the Google Play Store.

A new leaked OS will allow Blackberry users to install APK files right on their device, without the need of jumping through all the hoops of installing BAR files on their phones.

But with OS 10.2.1, it looks like you’ll be able to download and install any APK file you can get your hands on — whether it’s downloaded from a store like the Amazon Appstore, a tool like ...

Alternatively, you could download APK files from the internet, transfer them to your phone with the USB cable, and then click on the apps with your phones file browser to install them.