At Google I/O last year, Google announced the concept of something called "Instant Apps". This is meant for those cases where you may want to use an app for a single session without needing to install the full app from the Play Store. Upon clicking on a link from a Google search result from, say, B&H Photo, Google Play will fetch a modular package that contains only section of the full application. This section would download and run instantly from the Google search results, and you'd be able to shop of B&H until the end of that session. Google has been working closely with a...
Source: http://www.gsmarena.com/google_begins_realworld_testing_of_instant_apps-news-22930.php
