SIO,smartassv2,hugemem

Well I think that you mentioned that you need to add oter governor to improve smothness, I guess smartassv2 is the best one available.

I also added SIO scheduler which is the fastest, changed ram settings to achieve more free memory for apps and tweaked touchscreen a little bit.

I think that those changes aren't drastic and the could be included i kernel, but it is ofc up to you :)

cheers