This app supports backup of things that aren't usually offered by other apps:

1. Current wallpapers, built-in wallpapers
2. Ringtones, alarms, notifications, other OS sounds
3. Installed apps of all kinds
4. Fonts and even boot animations.

For more information, questions and answers, visit the website.
If you like this app, show your support by rating it, sharing it or donating.

Note: for installing APK files, you will need another, installer-app, such as this one that I've created:
https://play.google.com/store/apps/details?id=com.lb.app_manager