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;