I tried using the Android application 'OpenScan' that can scan documents and create PDF files for free - GIGAZINE
Googleドライブのスキャン機能で紙媒体をPDFとして保存する | Free Style
How to Scan a Document Directly from Google Drive - Technipages
Genius Scan PDF Scanner Android Apps on Google Play - Web Development & Technology Resources
GoogleDriveとスマホアプリでお手軽ペーパーレス
Google Drive Scans Documents and Images, You Don't Need a Separate OCR Application
The Best Ways to Scan a Document Using Your Phone or Tablet
How to Use the Built-in Document Scanner on Your Google Pixel « Android :: Gadget Hacks
レポートのスキャン - (Adobe Scan) - 福井大学 遠隔授業ポータル
Scan and Upload your Paper Documents to Google Docs
Scan Documents to Searchable PDF on Android Using Google Drive App
Google Drive Lets You Scan and Search PDFs on Your Android | WIRED
Google Chromebook camera turns scanner! Now, scan any document and turn it into a PDF or JPEG file | Technology News | Zee News
Android 用の Simple Scan - PDF Doc Scanner APK をダウンロード
Googleドライブのスキャン機能で紙媒体をPDFとして保存する | Free Style
Document Scanner - Scan PDF - Temporarily Free @ Google Play - hotukdeals
Googleドライブのスキャン機能で紙媒体をPDFとして保存する | Free Style
Turn Your Smartphone Into a Pocket Scanner - The New York Times
How to Scan and Add a Document into Google Docs
Adobe Scan: PDF Scanner with OCR, PDF Creator - Apps on Google Play | Business card scanner, Scan app, App
How to scan documents and photos into PDFs on Android
