Form™ has very long web address and it would be unreasonable to expect students, respondents to type in the whole thing correctly.
You can make the Google Form™ link smaller by using QR.
This is a simple add-on to help you instantly generate and customize the QR of the URL of your Form™,
and then you can add the QR code into your Form™ as an high quality image.
By scanning the QR code, your respondents can open your Form™ with their mobile devices easily.
Features:
+ Customize QRCode attributes such as content, fill color, background color, label, label position, label font, image, ...
+ If QR Code label is too long, please choose Mode "1-Label-Strip" and Error Correction Level "High" 
+ You can track your QR via Responses tab in the Form™
+ Resize QR on the fly without changing their high quality images
+ Insert branded logo, image into QR
+ Support multiple languages
+ Save QR to file and you can paste to Excel™, Word™, or powerpoint™ (right click on image and choose 'Save Image As' menu)
Example use:
+ A teacher can add the QR into a Google Form™ online exercise, quiz, assessment then all students in class can scan the QR code and open the Form™ at the same time.
+ Students can submit a book recommendation, request extra help, or to complete an interest survey via QR
+ Online marketer can create online Survey, capture lead. Customers can scan QR to do the survey
You can download the Iphone™ IPad™ app at https://apps.apple.com/us/app/qrcode-for-google-forms/id1643292423 
For scanning QR, we highly recommend using the Iphone™ Camera app if you have been using Iphone™ or Ipad™. For Android™ phone, we recommend using the Google lens™ app https://play.google.com/store/apps/details?id=com.google.ar.lens&hl=en
If Paypal™ is not available in your country. Please contact 2hacstudio@gmail.com for alternative payments
Troubleshooting:
+ If you see this warning "ScriptError: Authorization is required to perform that action", please follow this link https://www.2hac.com/faq/authorization-is-required-to-perform-that-action/ to fix this issue
+ If you only see help menu after installing, please refresh the Form™ file. If you still have this problem, please uninstall and reinstall add-on and then refresh Form™ again
Resources and Tutorials
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➩ YouTube video tutorial: https://www.youtube.com/watch?v=LzlxWlae0TQ&list=PLk31adfFOxDFzIzuv3jAh6jjqIpT4opYt
➩ Help: https://www.2hac.com/help/index.html
➩ Email Support: 2hacstudio@gmail.com