Google is working real hard to make sure you are logged into your Google account when you do anything with the company. Of course, that is the secret to Google getting as much data about you to use for advertising so it makes sense.
The latest entry into this is a service that allows desktop searches you conduct about local questions to be viewed on your mobile device when you are logged in and doing a search from Google.com. You will see a “Recent” tab that when used will give you the recent searches you did on another device so you don’t have to repeat the process while on the go. Here is a picture from the Inside Search blog with some visuals