They're all "app stores" that block alternative sources. All of them distribute games and entertainment apps (music, video, etc). Sony has also distributed app

They're all "app stores" that block alternative sources. All of them distribute games and entertainment apps (music, video, etc). Sony has also distributed apps not related to entertainment, e.g. folding@home. Saying a console != a smartphone doesn't help discussion when what we're discussing is walled gardens here.