Both have serious problems.<p>1. Many Android apps depend on proprietary Google Play Services. So app customization is needed anyway.<p>2. Do ordinary people really need unified apps for PCs and mobile?<p>Currently an easiest way to develop multi platform apps is to create a native mobile app and UI for power users in web browser. There is no need to build a running tracking app as a desktop native app.<p>Recently notification center was removed from Chrome. To my surprise it turned out that nobody was using it. Well, I also wasn&#x27;t using it because my (Android|iPhone) is always with me.