Accidentally found this page on wikipedia:
BTW, i picked out the important part:
I think many of us had read this news on various sites, but still, i wanna post it here. According to Sony Blog, when you sign in with your Xperia device, you will get a free 50GB cloud storage for free
However, i tried installing and uninstall...
16million colours will use more CPU and RAM, so if they've found a way to reduce that you can expect 16 million colours :)!
ok, lets see how much will it use...
for RGB 565
16bit for each pixel
16 x 854 x 480
= 6558720 bit
Just some stupid chopping, body borrowed from Sensation and Arc...
Face unlock is another one... and manage to launch apps from lockscreen
flipable sense clock