With Google's new 'Try it Now' feature, you can now try an app before installing it on Google Play. According to Google, users will be able to try supported apps from the Play Store just by tapping the 'Try it Now' button beneath their listings on it's 'Instant App'.
This new feature should make it easier to decide whether to buy an app or not. Earlier, only apps and websites that supported 'Instant App' were available for trial
Google will also introduce "Pre-Registration Games" on Play Store.