To quickly open Omnibox everytime you open a new tab or restart your browser, you need to do the following steps: ● Open Chrome browser ● Tap on the three dots on the upper right corner ● Select ‘settings’ from the drop-down ● Go on the ‘search engines’ tab and select ‘Manage search engine and site search.’ ● Now, scroll down a bit and set Google.com as the default search engine for your browser