The problem is that this requires a custom kernel and recovery, as seen here: http://forum.xda-developers.com/show....php?t=2634271
Are there devs out there willing to work on this?
Haven't seen anyone try to make this happen. F2FS is a new file system developed at Samsung for NAND memory. It greatly increases the speed of random reads/writes and therefore this can dramatically improve smoothness, as can be seen by these benchmarks: