Google is rolling out a Try Now button to test instant apps on the Play Store - news

The new app model does not require an installation process for an app or parts of it to work and has multiple potential uses.

Android Instant Apps gives the Play Store a 'Try Now' button to test and use apps without installing - News

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Google is rolling out a Try Now button to test instant apps on the Play Store - news

Google Play adds Android Instant Apps via a 'Try it Now' button, among other changes

In-app updates Android Developers

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The Google Play Store will now let users try apps before they buy them

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Google expands Try Now button with AppOnboard demo technology