First...when u flash a firmware via ODIN, that is a whole package which includes kernel,bootloader,recovery,system...every thing...so it will automatically do whatever is needed to be done...just flash by ODIN and have no worries
.
About kitkat roms....
That depends on what's ur poison...
1.cm11- the first kitkat rom to arrive on device by respected dev pawitp
It is simple and elegant rom giving basic aosp feel as all other cm roms...not much of extra features...but light ,fast and simple..
2. Slimkat- rom by respected dev xenon92 ......slim roms are lightest roms always...which have fast and lightweight experience
..
Carbon rom- another rom by respected dev Xenon92 for all of us....lets call it a good modified rom with stable and smooth run and in future will get halo features too..(hope u know what it is)..i haven't used it but users agree that its is one of best rom if u want to run for ART purpose,battery life and upcoming features too...
Omni rom- k2wl's rom...developer always known for outnumbered contributions for galaxy grand community amazed everyone ..AGAIN.by porting this rom..simply awesome as i am using it..
Got multiwindow as one of key features..and many more in setting options..(see OP if u want to know more)...
Probam rom-another rom by k2wl....this is heaviest rom present by today's date...it is rom with highest customizations available ..
Halo/multiwindow..blur lockscreen...active display...and many key features.. But as it got features...so are the features not perfectly integrated to be true vch leads to small bugs...and will be fixed by following updates ....
Still does Worth a try ..
There could be many features i might be missing..but this was overview from my point o view..
PS- multiwindow is not implemented in build 4 of omni rom...hope it Will be in build 5 ..like 1,2 and 3...
Dont forget to give scripts by
@iceyhotguy a try..they would surely boost the performance
..n that's something amazing if i be true...
Links u can find in development section... posting in next post if u too lazy!!
Hope i helped
...
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---------- Post added at 02:18 AM ---------- Previous post was at 02:09 AM ----------
Carbon rom.
http://xdaforums.com/showthread.php?t=2567881.
Omni rom.
http://xdaforums.com/showthread.php?t=2600890.
Probam rom.
http://xdaforums.com/showthread.php?t=2603219.
Cm11.
http://xdaforums.com/showthread.php?t=2563557.
Iceyhotguy's tweak
http://xdaforums.com/showthread.php?t=2476926.
Slimkat rom.
http://xdaforums.com/showthread.php?t=2567869 ....
Hope i helped
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