Steps to Extract APK File From Android : Go to Google Play Store and Search for “APK Extractor” and Install it on your Android Phone. After Installing APK Extractor on your Phone You see the List of Installed Apps in that App. Just Tap on any App from List.Where to put APK files?
Default location of APK archives Pre-installed Android APKs are stored in the /system/app folder. User installed APKs are stored in the /data/app folder.