We need a law to open up these devices. Just because it's a Duopoloy instead of a Monopoly doesn't mean we should be forced into using a device only the way these companies dictate.
The whole idea of the App Store is, to me, actually worse than no App Store at all. If you want to find popular software, normally you google for it, and go with the recommendations from a trustworthy publication. Yes there is malware on the internet, but there is also malware in the App Store! Let the market try to solve these problems since Apple and Google can't.