SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.
ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
Send Anywhere - Send whatever you want, wherever you want
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