Now the Android smartphone users should be more cautious about their nine-dot lock patterns. A recent study paper by the University of Pennsylvania revealed most astonishing facts on this subject. Every fast food cognoscenti should read these astonishing facts in learning about the Android password pattern security on the touchscreen.
The oily smears on the touchscreen are a easiest way to identify or find an Android nine-dot lock pattern for anyone. Various lighting and camera orientation settings are the easiest way for the smear analysis. This study paper and results are demanding attention from every Android user and perfect remedy measures are necessary against to this touchscreen smudge. Perhaps some more bitter experiences from the users only can bring attention from the smartphone manufacturers on this issue.