1) From my observations, platforms that did this weren't too successful (e.g. Stardock before turning into Impulse). We were also in a time where the Windows wo

1) From my observations, platforms that did this weren't too successful (e.g. Stardock before turning into Impulse). We were also in a time where the Windows world didn't have a need for it and it's hard to deny that things have changed so much lately that people are expecting more centralised stores of applications.