New feature called “Handwrite” is available for Google mobile search page in any browser, but will work best in Chrome and stock Android browser . It works on smartphones running Android 2.3+, tablets running Android 4.0+, and on all iOS 5+ devices.
Steps to enable:
ii) go to Google.com
iii) scroll to bottom page and tap on “Setting”
iv) in the “Handwrite” section, choose “Enable”
v) “g” icon at bottom page indicates “Handwrite” feature is enable