on nougat and above increasing dpi (which is confusing because now lowering the number increases it ) causes the built in cursor to become smaller white circle on non rooted devices instead of the black pointer. the center of circle is transparent its just a white ring. it only occured when using controls mapped outside magic dosbox the Android system pointer wasnt present on my device if i mapped somthing as mouse in game (but the sensitivity is horrible and even harder to calibrate and i never got absolute mouse to work right in win9x games but worked great for dos games)