I fail to see your point, really. I'm not sure how your premise of "[trying] to build something like a new hardware device or systems" forces anyone into the ap

I fail to see your point, really. I'm not sure how your premise of "[trying] to build something like a new hardware device or systems" forces anyone into the app store, or even if it did compel them - say in the instance of the Roku app - what reason is there to charge for this? Bake it into your hardware price.