As a hardcore Linux user, I'm really torn about Android. On the one hand, it has created a nice software ecosystem by pushing a consistent set of APIs. Linux desktop applications were never remarkable except for a few ones. I think fragmentation into a myriad of frameworks led to this. The only 2 X11 applications I use are firefox and zathura. On the other hand, too much stuff has been redone in Android. It's too for…
I would actually say that Linux distributions pioneered the app store concept via "yum install" and "apt-get" and such. Linux is certainly the first OS where I can remember seeing a centralized app repository you could pull from with a single command.