Yeah, bubby was is a 16 year old kid who's got some skills but isn't accountable/ is flaky. He moved to T-Mobile when his parents changed the whole family over.
As for sense: it was magic on his part to get it on the ns4g. While all 99% of android phones are on "arm" designed chips, each chip company works the arm core into their own design. Not unlike android.
Here's the rub: sense, tochwiz etc are closed source. Yeah, we can poke around but not enough to grab Widgets from sense and put them on vanilla, for example. Each skin is reprogrammed, at the firmware level, to work with each unique chip. So HTC takes android source, which is currently most easily ported to TI or Nvidia architecture and ports it to qualcomm's architecture and builds an optimized and closed code on top of that. This firmware port is not a one man job even at 80 hours a week. They have do do everything from board bring up to camera and USB drivers. Then they put their skin in, and it's much deeper than a launcher. Additionally, they have radio firmware and tons of other stuff. Not only is updating android with this process a total but putting sense on an enxynos architecture with different drivers, radios etc and having it run well is pretty much a pipe dream.
That's why most roms are either ports/optimization of the skin from similar or same devices or based on aosp from google directly (or close derivative and totally open like miui). And that's why you need HTC architecture in your device for sense.
Like all rules, the exception is nexus devices since they are the dev devices: they always have the best/most devs and often accomplish ridiculous feats like this.
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