Google has introduced a new, better and more information than normal Google search by bring up cards that full of structured data and actions instead of just list of link.
It’s a feature that can search anything, anywhere and it can links to other apps like Instagram, email, Twitter, Music Player and much more.
Here’s an example:
An email came in with a restaurant name and you have no idea where and what does this restaurant has. By holding down the home button, it will give you an OpenTable card of the restaurant mentioned in the email, for you to navigation to the location, call, table reservation and much more.
Check out the samples of Now on Tap can do by TheVerge