3rd party stores allowed Amazon to bootstrap the only reasonable android tablet ecosystem and become the second largest tablet maker in the world after Apple.

3rd party stores allowed Amazon to bootstrap the only reasonable android tablet ecosystem and become the second largest tablet maker in the world after Apple. F-droid maintains a modest but robust marketplace of open source software, some of which include things that are not allowed in either Apple or Google app stores. 3rd party stores also allow numerous country-focused stores which arguably serve their home markets better than Google or Apple are willing to.