1. Frankly, I’m excited to see news regarding Symbian^4 development and although it is still months away from release, the Foundation worked very hard to deliver it.
2. Designing UI is not easy. There are many considerations to be made. Furthermore, the trend nowadays is towards flashy, swooshy and elegant interfaces.
Video 1 – Homescreen Concept
Video 2 – Photo Gallery Concept
3. These are concepts. Symbian^4 is months away and changes will be implemented.
4. Lets just take them with a pinch of salt and dont be carried away ok 
Cheers!