Follow These Steps
1. You need to get the latest version of ES File Explorer. From Here. in your android.
2. Now launch the app and tap on menu and click on Library section.
3. Now under library click on App and this will open all the apps that being currently installed on your Mobile
4. Now select the apps that you want to backup in your storage and then simply tap on android backup icon there.
5. Now the backup process will get started and withing few moments all the apps will got backup in your device.
6. Thats it you are done now you have backup apks of all the android apps that you had backup in your device.
