[Xperia SP Themes and Apps] jancsessz:
Adding to build.prop tweaks

Root explorer

copy to all

Searching build.prop system/build.prop

open text editor

Paste to all

Deleting build.prop.bak

Reboot and enjoy ;D

For CM and stock 4.1.2

#Performance tweaks

debug.enabletr=true

dev.pm.dyn_samplingrate=1

video.accelerate.hw=1

ro.vold.umsdirtyratio=20

debug.overlayui.enable=1

debug.egl.hw=1

ro.fb.mode=1

hw3d.force=1

persist.sys.ui.hw=1

ro.sf.compbypass.enable=0

debug.sf.hw=1

debug.composition.type=c2d

persist.sys.composition.type=c2d

debug.performance.tuning=1

#3d performance

persist.android.strictmode=0

ro.min_pointer_dur=1

ro.secure=0

#Media Quality

ro.media.dec.jpeg.memcap=8000000

ro.media.enc.hprof.vid.bps=8000000

ro.media.dec.aud.wma.enabled=1

ro.media.dec.vid.wmv.enabled=1

ro.media.cam.preview.fps=0

ro.media.codec_priority_for_thumb=so

#Liquid Smooth Ui

persist.service.lgospd.enable=0

persist.service.pcsync.enable=0

#Qualcomm tweaks

com.qc.hardware=1

debug.qc.hardware=true

debug.qctwa.preservebuf=1

debug.qctwa.statusbar=1

#3G network for speeding up

ro.ril.set.mtu1472=1

#Disable Logers

ro.config.htc.nocheckin=1

ro.config.nocheckin=1

profiler.force_disable_ulog=1

profiler.force_disable_err_rpt=1

#Better battery life:

usb_wakeup=enable

proximity_incall=enable

power_supply.wakeup=enable

ro.config.hw_power_saving=1

ro.config.hw_fast_dormancy=1

ro.config.hw_quickpoweron=true

persist.sys.use_dithering=0

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

ro.mot.eri.losalert.delay=1000

ro.ril.sensor.sleep.control=1

#Better signal reception

persist.cust.tel.eons=1

ro.config.hw_fast_dormancy=1

#Signal Tweaks

persist.cust.tel.eons=1

ro.ril.gprsclass=10

ro.ril.hsdpa.category=8

ro.ril.hsupa.category=6

ro.ril.hsxpa=1

#Net speed tweaks

net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960

net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.hspda=4096,87380,256960,4096,16 384,256960

net.tcp.buffersize.hspa=4096,87380,256960,4096,163 84,256960

#Wireless Tweaks

net.ipv4.ip_no_pmtu_disc=0

net.ipv4.route.flush=1

net.ipv4.tcp_ecn=0

net.ipv4.tcp_fack=1

net.ipv4.tcp_mem=187000 187000 187000

net.ipv4.tcp_moderate_rcvbuf=1

net.ipv4.tcp_no_metrics_save=1

net.ipv4.tcp_rfc1337=1

net.ipv4.tcp_rmem=4096 39000 187000

net.ipv4.tcp_sack=1

net.ipv4.tcp_timestamps=1

net.ipv4.tcp_window_scaling=1

net.ipv4.tcp_wmem=4096 39000 18700

wifi.supplicant_scan_interval=180

## Scrolling speed

ro.min.fling_velocity=8000

ro.max.fling_velocity=12000

windowsmgr.max_events_per_sec=300

ro.min_pointer_dur=8 touch.pressure.scale

#Nitro lag Nullifier ACTIVITY

INACTIVE_RESET_TIME=false

APP_SWITCH_DELAY_TIME=false

CONTENT_APP_IDLE_OFFSET=false

CPU_MIN_CHECK_DURATION=false

EMPTY_APP_IDLE_OFFSET=false

ENFORCE_PROCESS_LIMIT=false

GC_TIMEOUT=false

MAX_ACTIVITIES=false

MAX_HIDDEN_APPS=false

MAX_PROCESSES=false

MAX_RECENT_TASKS=false

MAX_SERVICE_INACTIVITY=false

MIN_CRASH_INTERVAL=false

MIN_HIDDEN_APPS=false

MIN_RECENT_TASKS=false

PROC_START_TIMEOUT=false

SERVICE_TIMEOUT=false

# RAM Management

ro.config.hw_fast_dormancy=1

#Allow purging of assets

persist.sys.purgeable_assets=1

for stock 4.3

## Performance, Smoothly, Battery saving tweaks

debug.enabletr=true

dev.pm.dyn_samplingrate=1

video.accelerate.hw=1

ro.vold.umsdirtyratio=20

debug.overlayui.enable=1

ro.fb.mode=1

hw3d.force=1

persist.sys.ui.hw=1

ro.sf.compbypass.enable=0

persist.sys.composition.type=c2d

persist.android.strictmode=0

ro.secure=0

debug.kill_allocating_task=0

debug.egl.profiler=1

force_hw_ui=true

ro.min_pointer_dur=8

ro.debuggable=1

ro.config.disable.hw_accel=false

persist.sys.purgeable_assets=1

## Gaming tweaks

persist.sys.NV_FPSLIMIT=60

persist.sys.NV_POWERMODE=1

persist.sys.NV_PROFVER=15

persist.sys.NV_STEREOCTRL=0

persist.sys.NV_STEREOSEPCHG=0

persist.sys.NV_STEREOSEP=20

## Media Quality

ro.media.dec.jpeg.memcap=8000000

ro.media.enc.hprof.vid.bps=8000000

ro.media.dec.aud.wma.enabled=1

ro.media.dec.vid.wmv.enabled=1

ro.media.cam.preview.fps=0

ro.media.codec_priority_for_thumb=so

## Liquid Smooth Ui

persist.service.lgospd.enable=0

persist.service.pcsync.enable=0

windowsmgr.max_events_per_sec=90

touch.presure.scale=0.001

## Qualcomm tweaks

com.qc.hardware=1

debug.qc.hardware=true

debug.qctwa.preservebuf=1

debug.qctwa.statusbar=1

## Disable Logers

ro.config.htc.nocheckin=1

ro.config.nocheckin=1

profiler.force_disable_ulog=1

profiler.force_disable_err_rpt=1

## Better battery life

usb_wakeup=enable

proximity_incall=enable

power_supply.wakeup=enable

ro.config.hw_power_saving=1

ro.config.hw_fast_dormancy=1

ro.config.hw_quickpoweron=true

persist.sys.use_dithering=0

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

ro.mot.eri.losalert.delay=1000

ro.ril.sensor.sleep.control=1

## Scrolling speed

ro.max.fling_velocity=20000

ro.min.fling_velocity=18000