APKMirror Installer is a helper application that allows you to install .apkm, .xapk, and .apks application package files, as well as regular APK files. We've also added a much-requested additional feature for regular APK files - if an APK download fails and If you want to know why, you can now see the exact reason for the failure by launching the installation from APKMirror Installer. Mid 2018 on Google I / O, Google announced a new dynamic application delivery format called App Bundles. We highly recommend reading this AndroidPolice post as the illustrations will make the concept much easier to understand. Otherwise, here is a quick explanation. Before application bundles, developers would either create a single "thick" APK with all the libraries and resources in it, or they would manually manage multiple APK variants (eg arm64 320dpi, x86 320dpi, arm64 640dpi, etc.).
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]