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.
If you want to generate QR Code for Forms™ with least scope, please use QR code for Google Forms™ https://workspace.google.com/marketplace/app/qr_code_for_google_forms/510325116967

Features of QRCode for Google Forms™:
+ Customize QR Codes 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 QRCodes 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)
+ Support save setting so you don't need to set up QR Code again
+ During the trial period, you can generate codes with a limited number of scans (set randomly for each trial). This allows you to experience the features and benefits of our add-on at no cost. To enjoy unlimited scans and unlock the full potential of the add-on, we invite you to upgrade to the premium version. Your support helps us continue to improve and provide the best experience for all users.

Example use of QR code for Google Forms™:
+ 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 for QR code for Google Forms™:
+ 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