The surgery analogy is great! Not only it is not something it easy to learn / manage, but in some cases it is outright not possible. How do you self host an Ap

The surgery analogy is great! Not only it is not something it easy to learn / manage, but in some cases it is outright not possible. How do you self host an App Store? If you bought an eBook on amazon I am not even sure if you can easily export and read it on non kindle device. Self-hosting is definitely not an answer to this.