This approach also forces the developer to build in a notification system to tell people the new app is out and how to find it. I guess you could can make a sm

This approach also forces the developer to build in a notification system to tell people the new app is out and how to find it. I guess you could can make a small update to the 'old' app that will pop up a window notifying of the new one when the old app first starts, but that seems rather kludgy.