In the soon to be released Notes 8.5.1 you can give your applications the new Java UI look and feel with composite applications. Using the Notes View container you can now point to any Lotus Notes view and in the component settings for that view you can now switch between Native and Java rendering.
First thing you do is create a new composite application and in the CAE drop a Notes View container onto the screen.
You then use the Component Properties dialog to select what view you want:
Once you have selected the view you want to render in the component you can then use the rendering technology option to switch between Java or Native rendering: