My go to place for android games and apps, easy to download APK files
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
APKMirror - Android Market and APK Downloads
Phandroid - Phandroid is a website where you can get your favorite Android apps downloaded for free.
Worldfreeapps.com - Download Apk of Games and Apps for your Android Phone.
APKCombo - APK Downloader - Download APK & OBB files from Google Play Store and APKPure (Latest Version)
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.