A free app for Android, by Titanium Track.

Titanium Backup is a free and powerful backup tool for Android devices that lets you back up your apps, data, and other files so you can restore them if you ever lose them. It is designed to work with Android devices.

The tool is capable of backing up all of your apps. It also supports data recovery and can restore apps that were deleted. If you want to restore an app, you just need to select it from the list and choose the desired platform.