TOUCH SCREEN SENSITIVITY (MAKE UR SMARTPHONE TOUCH MORE SMOOTH)

How to Increase Touch Screen Sensitivity Of Android Smartphone Without Rooting / rooting

For non rooted users :

Fast scroll (may be helpful) : Try xposed modules or just search the developer options to enjoy fast scroll

** The only thing which makes it admin choice is its size which is only 30 KB 

Use touch screen booster app to make android screen smooth link

** Launch The app Screen calibration From your android's App Drawer 

** Click On the Re calibration box Shown in the image 

 ** After clicking on Re calibration button you will get a pop box Asking for confirmation Click Ok 

** After clicking Ok wait for a while and let the app complete its work and don't touch screen meanwhile 

 SGS Touchscreen Booster

SGS Touchscreen Booster will help you to optimize your Samsung  touch screen. No root needed.Bugs, please let me know.
But due to software limitations this will only work on Samsung  phones
SEO:  Touch screen optimizer
                           
Touchscreen Tune

It allows to dramatically improve responsiveness and sensitivity of tablet touchscreen

For rooted users :

EDITING BUILD.PROP 

Use any root explorer to apply this method 

Root explorer recommended

Use Root Explorer and touch the button to mount R/W

Go to System and find build.prop 

Then copy the bellow lines and just paste in build.prop

# Touch screen calibration and scroll responsiveness

debug.performance.tuning=1

windowsmgr.max_events_per_sec=200

view.touch_slop=2

view.scroll_friction=1.5

view.minimum_fling_velocity=25

ro.max.fling_velocity=12000

ro.min.fling_velocity=8000

ro.min_pointer_dur=8

touch.size.calibration=geometric

touch.size.scale=100

#touch.size.bias=70

touch.pressure.calibration=amplitude

touch.pressure.scale=0.3