[Galaxy Y GT-S5360 Android Development] hacker0377:
For Evo-x-3 users here are some tweaks for build prop//just copy and paste to build.prop

OUT OF MEMORY ADJUSTMENT SETTINGS will auto kill some runnung apps

# Dalvik VM tweaks

echo "4096" > /proc/sys/vm/min_free_kbytes

echo "0" > /proc/sys/vm/oom_kill_allocating_task

echo "0" > /proc/sys/vm/panic_on_oom

echo "0" > /proc/sys/vm/laptop_mode

echo "0" > /proc/sys/vm/swappiness

echo "50" > /proc/sys/vm/vfs_cache_pressure

echo "90" > /proc/sys/vm/dirty_ratio

echo "70" > /proc/sys/vm/dirty_background_ratio

# Battery tweaks

echo "500" > /proc/sys/vm/dirty_expire_centisecs

echo "1000" > /proc/sys/vm/dirty_writeback_centisecs

# ADDITIONAL BUILD.PROP TWEAKS

# INCREASE JPG QUALITY

ro.media.enc.jpeg.quality=100

# GPU UI RENDERER

debug.sf.hw=1

# DIALING RINGOUT DELAY

ro.telephony.call_ring.delay=0

# BATTERY TWEAKS

wifi.supplicant_scan_interval=180

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

# DEBUGGING NOTIFICATION DISABLER

persist.adb.notify=0

#TOUCH RESPONSIVENESS TWEAKS

debug.performance.tuning=1

video.accelerate.hw=1

# SCROLLING RESPONSIVENESS TWEAKS

windowsmgr.max_events_per_sec=150

# AFTER CALL SCREEN DELAY

ro.lge.proximity.delay=25

mot.proximity.delay=25

# APPLICATION FC FIXER

ro.kernel.android.checkjni=0

# WAKEUP KEY TWEAK

ro.config.hwfeature_wakeupkey=0

# BUTTON LIGHTS FORCED-ENABLER

ro.mot.buttonlight.timeout=0

# STAGEFRIGHT TWEAKS

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

# DISPLAY DITHERING ENABLER

persist.sys.use_dithering=1

# PURGEABLE ASSETS ENABLER

persist.sys.purgeable_assets=1

# SD CARD MOUNT SOUND DISABLER

persist.service.mount.playsnd=0

# DALVIK VM TWEAKS

dalvik.vm.execution-mode=int:jit

dalvik.vm.dexopt-flags=m=y

dalvik.vm.heapsize=48m

# DEFAULT I/O SCHEDULER

echo "noop" > /sys/block/mmcblk0/queue/scheduler

# KERNEL TWEAKS

echo "8" > /proc/sys/vm/page-cluster;

echo "64000" > /proc/sys/kernel/msgmni;

echo "64000" > /proc/sys/kernel/msgmax;

echo "10" > /proc/sys/fs/lease-break-time;

echo 500 512000 64 2048 > /proc/sys/kernel/sem;

ro.ril.hsxpa=2

ro.ril.gprsclass=10

ro.ril.hep=1

ro.ril.enable.dtm=0

ro.ril.hsdpa.category=8

ro.ril.enable.a53=1

ro.ril.enable.3g.prefix=1

ro.ril.htcmaskw1.bitmask=4294967295

ro.ril.htcmaskw1=14449

ro.ril.hsupa.category=6

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

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

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

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

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

# MEMORY MANAGEMENT TWEAKS

# OUT OF MEMORY SETTINGS

ro.FOREGROUND_APP_MEM=1536

ro.VISIBLE_APP_MEM=2048

ro.PERCEPTIBLE_APP_MEM=1024

ro.HEAVY_WEIGHT_APP_MEM=5632

ro.SECONDARY_SERVER_MEM=5632

ro.BACKUP_APP_MEM=6144

ro.HOME_APP_MEM=1024

ro.HIDDEN_APP_MEM=6144

ro.EMPTY_APP_MEM=7168

# OUT OF MEMORY ADJUSTMENT SETTINGS

ro.FOREGROUND_APP_ADJ=0

ro.VISIBLE_APP_ADJ=4

ro.PERCEPTIBLE_APP_ADJ=2

ro.HEAVY_WEIGHT_APP_ADJ=5

ro.SECONDARY_SERVER_ADJ=6

ro.BACKUP_APP_ADJ=7

ro.HOME_APP_ADJ=1

ro.HIDDEN_APP_MIN_ADJ=8

ro.EMPTY_APP_ADJ=15

# RAPID BOOT TWEAKS

debug.sf.nobootanimation=0

persist.sys.shutdown.mode=hibernate