Those using Opera web browser can quickly change the search bar to use Google's encrypted search.
1) In the search bar (upper right hand corner), click the dropdown arrow
2) Toward the bottom of the list, click "Manage search engines..."
3) Highlight "Google" and press EDIT button
5) Replace the address line with:
https://www.google.com/search?q=%s6) Press OK
7) Press OK
On a related encryption note, mobile phone voice security has been improved to include end-to-end encryption when using Android phones.