DisplayTester lets you test almost every aspect of your device’s LCD / OLED display. Using Google Cast, you can test the display quality of your TV. It is designed to enable full*screen testing also on devices with softkeys (hiding softkeys in ICS and later, immersive mode in KitKat and later).
Characteristics
* Dead pixel test
* Color tests
* Gamma calibration tests
* Vision angle tests
* Multi*touch test
* Display performance tests
* Repair burns by scrolling black and white bars
* View the size of the measurement information screen
Supported Android
{4.0 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)