[s73v3r]

Who says they have to be Mac only? It'd probably work out better to be on all major platforms, that way you can sell the feature of buy once, run on all platforms the software runs on. You also could allow single platform things onto your store too, like Sketch.

[jonknee]

Because the vast vast vast majority of apps aren't cross platform?

[s73v3r]

So what? Steam sells plenty of games that are Windows only. Doesn't stop them from being available on other platforms.