Compare Chrome extensions: ScanQR vs Spider Solitaire

Short description
Scans QR codes using your webcam.	The Spider Solitaire you know and love. With three difficulty levels, you'll never tire of this classic.
Full summary
Scans QR codes and displays their contents on a Chromebook or other computer with a suitable webcam. What's a "suitable" webcam? It's one that can focus the QR code within the red square in the app sharply enough that the app can decode it. My test results: Chromebook Pixel: yes Samsung ARM Chromebook: yes Acer C7 Chromebook: yes CR48: yes 2009 MacBook Pro: yes, except for very small, dense QR codes 2011 iMac: no, unless the QR code is ridiculously large (over one foot across) If Chrome implements an API to let developers adjust camera-focus settings, I'll be able to improve the app to work with more cameras. Source: https://github.com/sowbug/scanqr-app	The Spider Solitaire you know and love. With three difficulty levels, you'll never tire of this classic. Ad free and always will be, this game is all about the gameplay! The app also includes offline mode so you can play anywhere without being on the Internet. Latest version features undo, game hints and other enhancements as requested by you! Please leave feedback by clicking "Send Feedback".