Kyle aka Pukupi did a new design for his site. He also offers an interestig article: Pukupi's top 10 hints for building interoperable mobile web sites.

Kyle writes to avoid emoji's as their is no standard set yet. However silly they might be, I believe that emoji's will become quite important in the future.
Just think about the use of emoji's in Jaiku, the better Twitter. And more seriously, see Junichi Azuma's "From Emoticon to Universal Symbolic Signs: Can Written Language Survive in Cyberspace?"


Also of interest:
The Mobile Lab