Check out this two opposing views on the Native Apps (aka. Client/Server Apps) Versus HTML Apps (aka. Web Apps) debate.
http://searchenginewatch.com/article/2375397/Androids-New-Feature-Paves-Way-for-Apps-Replacing-Web
The direction that Mobile app development takes in the coming years is likely to influence all development (including Web development). If Native Apps (promoted by Google, Apple and Microsoft) reigns supreme, we can see the re-emergence of Native development and with it the fortunes of Client/Server development tools also.
Forrester is also endorsing Native Apps in this debate: Forrester: HTML5 apps still not as good as native apps | InfoWorld
It will be interesting to see how these two opposing views will eventually playout and how this will impact app development.