DisplayTester allows you to test almost every aspect of your device’s LCD / OLED screen. Using Google Cast, it is possible to test the display quality of your TV. It is designed to allow full screen tests also on devices with programmable keys (hiding programmable keys in ICS and later, immersive mode in KitKat and later).
Characteristics:
* Dead pixel test: detect “dead pixels” by displaying a series of solid background color pages
* Color tests: contrast, gradient (bands) and saturation tests
* Gamma calibration tests (gray / red / green / blue)
* Viewing angle tests (this is useless for OLED screens)
* Wide range color test
Supported Android
{4.1 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)