Have you tried Google HANDWRITE on your mobile device?
You can go to the Google Homepage on your browser and hit "Handwrite" to activate it.
Try a fun and easy new way to search. Handwrite lets you write your search right on the Google homepage. It’s available on Google.com from your smartphone or tablet, and is activated in your mobile search settings.
Works on my Samsung Galaxy s3 (fast), Google Nexus7 (fast), and Asus Pad 300 (a bit lagging)...Seems like it may lag some on older devices. I would like to hear more about how it works other devices.