DS Display Expert(Lite) 4.5

for Lenovo Z2 Plus

DroidSail Display Expert (Lite)

(More functions are available in pro version, which added Polarity inversion, Response time, Noise, Photo(copyrighted) test, ColorSpace Calc, and screen filter.)

This is a professional display tester/screen tester for Android devices. It has:

1. Multi touch: Test max touch points supported by device;
2. Solid color: red, green, blue, magenta, cyan, white, black, and it supports scrolling to adjust color values;
3. Gray level: 8 levels, 16 levels, 32 levels, 64 levels, 256 levels, red, green, blue gradient (16 levels, 32 levels, 256 levels), and it supports pattern scrolling and scaling;
4. Contrast ratio: white cube, black cube, white/black(Left/Right, Top/Bottom), white/black bar (legacy), horizontal scrolling to adjust backlight for dynamic contrast ratio test;
5. Colorbar: VGA full range colorbar, ITU.R BT.601 colorbar (100%, 75%), ITU.R BT.709 color bar (100%, 75%), SMPTE colorbar, SMPTE HD colorbar;
6. Geometry: grid+cycles (white, red, green, blue), rect board, rect+cross, cross, cycle, Rect+cycle, rect+X, grid;
7. Dot/Line: dot interlace, dot by space, line by space, color line by space;
8. ChessBoard: chess board test pattern (including 8x8, 16x16, 32x32, 64x64, 128x128, custom size chess board);
9. View angle: Test horizontal/vertical viewing angle of display;
10. Gamma: Camma test pattern can be used to evaluate gamma value of display, including white, red, green, blue gamma test;