Use APKPure App
Get Touchscreen Precision Tests old version APK for Android
System-Internals: Touch coverage grading and feedback frequency measuring.
System-Internals: Practical rating of touch coverage in grade 1 to 6 and measurement of touch feedback frequency in (IpS) "Inputs per Second".
This app allows hands-on testing of touch capability coverage, whether full range is reachable or parts are missing, including grading from 1 to 6.