It's interesting to see that when Android was released, it was fully Open Source. But over the years they moved all the apps to closed-source, one after the ot

It's interesting to see that when Android was released, it was fully Open Source. But over the years they moved all the apps to closed-source, one after the other, even some core elements (play services). Pretty soon it will be no more open source than iOS (the kernel is open source, yay!)