mini core ???
i thought 4 is cortex a15 and other 4 is cortex a7 ?
a7 eat more battery ? if yes why samsung don't put all are cortex a7

if run all cores same time that phone I think half day charge once already LOL
should be like this, if high performance, use the 4 A15, if not enough, use another 4 A7 = use all cores
else, light work use A7 only

bcauz they try 2 keep the design 2 be flexible lor
if u c gingerbread tat time many android phone got touch button
but whn ICS kick in they remove it

bcauz in new version of ICS tat time, function come in
tat is the more option button, since most of the phone is on touch button is fixed
a layer of more option is placed, so it look more ugly, but fixed in new update

so now most of the maker use screen instead of touch sensitive button 

so so lar 
i got more funny 1, bcauz cannot post scare will get holiday