A fun and easy new way to search Google from your smartphone or tablet, write your search terms with your finger rather than typing the words on the keyboard. As you write, your handwritten text converts into words in the search box.
To enable Handwrite, visit Google on your smartphone or tablet, click ‘Settings,’ found at the bottom of the page, and then enable Handwrite. It is currently available in 27 languages.
check out the Tips for Handwrite