Google Set To Release Instant App Which Allows You To Run An App Without Installing It

Have you ever thought of using and opening an Android app before downloading it? The technology is now. No installation required while testing the app you want to download. Just tap the URL and the app will open even if you don't wanna download/install the app. Whats gonna make this possible? The app called Instant App! Google even knows that downloading an app that later you will find out that