They reduce the minimum finger movement required to register a swipe or tap—without introducing ghost touches.
Conversely, on budget or older devices where the manufacturer has prioritized battery life or stability over responsiveness, the default touch parameters are often overly conservative. Aggressive noise filtering and low touch scan rates can cause noticeable lag. On these devices, a well-crafted Touch Improvement module can yield tangible results: reduced "jitter" while typing, faster edge detection, and a more "direct" feeling when scrolling. touch improvement magisk module