If you don't like the idea of your Android search history being saved, Jack Wallen wants to show you how to set it to auto-delete. You might not know this, but out of the box, Android retains your search history, which means anyone who gains access to your phone can view what you've searched for. This might not be an issue for you, but for some it is.

Link: How to set Google Search History to auto-delete on Android
via http://www.techrepublic.com