I know this is possible because some app like Transparency Tiles is doing it.
I know we can use Launchers for common tasks or built-in apps in Windows Phone. But how about third party apps like demonstrated by Transparency Tiles?
I have also read that you can launch some apps by URI as long as the app (internal or 3rd party) has registered the URI "scheme" with the phone. Is there a list online where we can find the third party URI scheme?