"Can Homescreen go viral? let me try an answer: no. The longer answer is that beyond people like us very few care about homescreens and what app appear there. occasionally people care about what you use. but even that is not even to drive adoption at scale. How do i know? well...this is what we tried to launch years ago (and what many tried too without success including Max Levchin a few months ago) Jonathan can tell you more about it :)" - Ouriel Ohayon