Which part of that is describing this exactly? Is this extension really a home screen alternative? Is this extension showing widgets that simulate multiple apps?
Are you being intentionally obtuse? Is the purpose of the home screen not launching applications? Is there not significant overlap between this function and that of Launcher? Shall we have a conversation composed entirely of rhetorical questions?
The purpose of the home screen is to have a screen to constantly return to, as a home for the device. This is a pull-down app launcher. You have to swipe down to access it, and it's accessible from any view/page, not just a single screen that you return to when exiting applications.
So no, it's not related to being a home screen at all. The fact that a home screen also launches apps does not make it a home screen.
