Touch Screen Tester ID

The app consists of three tests and information about the display (screen).* First RGB test, good for checking dead pixels.
Scroll through all the pictures with a swipe or using the Volume Down buttons.
Exit double tap on the screen or the Volume button More.
The test will determine the dead pixels (a dead pixel, usually looks like a point in an arbitrary area of ​​the screen, of any color), you can also see matrix highlights (light blurry spots, uneven backlighting),if found, it will most likely require replacement of the display.* Second Line Touch test, suitable for touch screen testing.
Move across the screen.
Exit - Volume Up button.
Using this test, you can see the insensitive zones of the screen (an insensitive zone, does not respond to touches, does not respond, or executes a command with a delay), most likely it will be necessary to replace the touchscreen / display sensor.* The third test is MultiTouch, suitable for testing (the possibility) of touches of your screen (sensor) for many clicks at the same time.
Press on the screen with all fingers.
Exit - Volume Up button.
The maximum number of contacts will be the number in the middle of the screen.Application features:* Control via sound buttons (if the sensor on the display does not work) less-choice, more is the way out,* Control via swipe up, down selection, double tap to exit.