Use APKPure App
Get Apk Maker - App Backup old version APK for Android
This is the best app for backup application and of course you can restore tho!
Apk Maker - App Backup is application that you can back up your application into apk.
*** Main Features ***
> Easy User Interfaces
> Fast back up with the new technology
> Restore system, no need to install manual, just open this app and go to RESTORE tab
So, what are you waiting for? download it then, its 100% FREE