initiate the Chrome web app.
Press theMoremenu, denoted by three dots located in the upper right corner of the web app window.
ChooseSettingsin the drop-down menu.

Locate theAppearancesection, which contains an option labeledShow Home button.
To remove the Home button at a later time, clickShow home buttonagain to toggle the slider to theOffposition.
This process places a small house icon just to the left of the address field.

tap on thehouse iconat any time to go to the Home screen.
The Startup screen is the one you see when you first launch Chrome.
The Startup screen and Home screen now both open on your specified URL.

