Yes, it is a kind of cloud service where you can store any kind of information like photos, pdfs, documents, videos, etc. Upload the item that you want to restore from your device to your using Google account. You can upload them into a folder so that you can get all the items at one end. When you want to restore any item just click on the item like the photo, and download it to your device. One of the great advantages is that you can download or restore on any device from which you have using Google Drive. You can share from Google Drive to another user via various apps.