Launch the Chrome browser (If Chrome is not installed on your device, go to the Google Play Store to get it);
Go to the website
...
Add GimmiWeb to the home page by pressing the settings button (3 dots on top right) and Add to home screen;
"Login" appears as a shortcut name;
Change the name "Login" to "NexOne Office";;
Press Add to save and return to browser (shortcut has been added to your home screen).