I don't think we're going to see third party tools -- the app store on Android and iPhone devices already have a huge prime mover advantage. They'll just buy companies like they bought chomp.
You can't relay only on 3rd party app store/search engines. The developer must prepare him self to the battle over users attention by enabling him an easy, fun and motivating way to recommend and...
I really hope we do see a move towards a 3rd party app store, like Cho said. I think that both the Google and Apple stores have major flaws and it will take another party to really perfect the sy...