Although it appears that the mobile hardware providers are competing through the development of incompatible platforms, i think there's reason to be hopeful. There seems to be movement towards a universal web application model able to join legacy Web with an Open-Web future where devices, desktops, web-stacks, and clouds connect, access, exchange and collaborate with all kinds of information systems.
Above the metal, at the web application layer, there is a war between competing runtime engines. The recent Web 2.0 Conference was a showcase for Sun Java FX, Adobe RiA, and Microsoft .NET Silverlight. The exhibitors floor featured a large and prominent Microsoft Silverlight-Mesh island surrounded by Flex RiA providers, with currents of IT and developers asking the same question; Can Adobe run with Microsoft?