Starting today, you can save your favourite 4D number on every device you use when you visit www.gidapp.com to check the latest 4D results on the site. There is no requirement for you to register or login even! It is all very simple.
On a desktop computer just click on the link at the top of your screen to access the form that saves your favourite 4D number to the web site.
with a phone, just click on the navigation menu button (highlighted in yellow) at the top right of your screen to access the form that saves your favourite 4D number to the web site.
Now when you view a 4D result page on the web site, your favourite number will be highlighted in the results if it matches a winning number of the draw.