Adding the webapp experience to Chrome for Android is huge, as developers can build cross platform app-like experiences that will appear as a homescreen icon just like regular applications. When users tap on them, they will open as an app, without all the browser paraphernalia like address bar or bookmarking. This could be a fine way to circumvent app stores and their restrictions or requirements, as well as build one-app-fits-all projects, not having to port them for each mobile OS first...
Source: http://www.phonearena.com/news/Cross-platform-web-apps-arrive-to-your-Android-homescreen-with-new-Chrome-beta-31_id47968
Source: http://www.phonearena.com/news/Cross-platform-web-apps-arrive-to-your-Android-homescreen-with-new-Chrome-beta-31_id47968