I wish to create a special kind of User-Experience (User Interface) for my app. My app runs on iOS and Android and WindowsPhone - so you are free to choose whichever of these operating systems you know the best. This is what needs to occur: A) When a user browses to a custom web page, that custom page needs to tell the mobile device that it is time to activate my app. I don't care how the web page does this - you can use any trick you like. My app will already be enrolled for "Push" - so if you can't think of a better way, the server that sends the web page is allowed to also send a "push" to the phone. B) When my app gets the message to activate, it needs to SCROLL IN TO VIEW, from the bottom of the existing web page. Additionally, the user must be able to scroll up and down to view either the web page, or my app, at will, by the addition of a slider (or if they literally slide the page - as well). Again - I don't care how this is implemented. If it's possible to scroll a browser and an app together - great. If not - feel free to take a screen-shot of the web page, and just "fake" the scrolling by making the app show the screenshot of what the web page looked like prior to the app being invoked. The scolling web page does not need to be functional when the app is running. See my animated GIF demo for an example. This might be hard and/or impossible. You're welcome to use any tricks/hacks/workarounds you can think of.