Google launches own version of CamScanner app for US users Updated: Updated: April 01, 2021 17:31 IST Stack lets users scan the documents, bills or receipts through their phone camera and saves a copy of the documents to Google Drive. Share Article Google launches own version of CamScanner app for US users. | Photo Credit: Special Arrangement Stack lets users scan the documents, bills or receipts through their phone camera and saves a copy of the documents to Google Drive. (Subscribe to our Today's Cache newsletter for a quick snapshot of top 5 tech stories. Click here to subscribe for free.) Google’s in-house incubator, Area 120, launched a project titled Stack, an app for scanning, storing, and organising important documents.