It's open source, you don't have to force them, you can just FORK them!
Maybe the developer likes your patch and will incorporate it, maybe he likes it the way it is. You can't just go around and say stuff like that.

The apps that are now developed are in the beginning stages, where the developers focus more on functionality than usability.

The app that you gave as an example is nearly a week in development!
WTF dude?!

And most of the iphone apps look gimmicky.