With the latest version of the Drive app installed, you can easily access and manage documents and photos stored in Drive just by opening up the Files app on your iOS device. If you have Google Docs, Sheets, or Slides apps installed as well, tapping on any Google document, spreadsheet, or presentation in the Files app will open the app of the associated Google editor. You can also take advantage of new iOS 11 features like dragging and dropping files between apps and folders in the Files App.
What's New In Version 4.2017.37510:
• Access, share and organize your files in Google Drive, now connected to the iOS 11 Files app.
You can download Google Drive from the App Store for free.