From what we can tell, the OS is as comfortable on larger, VGA devices as it is on more traditional smartphone layouts. Oh yeah... and it plays Quake. Here's what we know the software will support out of the box:
Check it out over here.
Touchscreen 3G Webkit-based browser Threaded text messaging MPEG-4, h.264, MP3, and AAC file formats Accelerated 3D graphics