While that works in this case, it's only because Facebook breaks their functionality into multiple apps. If "Facebook" registered a homescreen, instead of "Home

While that works in this case, it's only because Facebook breaks their functionality into multiple apps. If "Facebook" registered a homescreen, instead of "Home" registering it, then how would you remove the default? Sure, you could uninstall facebook and then reinstall it, but that's a pretty painful workaround. Another use-case that should be fixed, the instagram app has registered to intercept browse intents for its domain. So, clicking on a link in twitter will show you that picture in the instagram app. The problem is when badly written apps do this, urls like http://instagram.com/developer/ http://instagram.com/developer/ will also open the app, but it will notice it doesn't know how to handle that url, and either quit or crash. Sure, developers should know better. But I'd really love a way of saying "for the next intent that fires, let me chose the default again". You could toggle this flag and then hit home to reset the homescreen app. Or you could toggle this flag then hit an instagram link and say "just for this one link, use chrome". Unfortunately, while that would be a fantastic tool for developers, it's probably not a practical solution. There are enough edge cases that it would be hard to implement, and very hard to educate users on how to use.