Sometimes it might be useful/necessary to resume the game and quickly pause it again. This is much easier when there are not two buttons (one for start, one for pause) but just one button, that changes its icon (and action) from "pause" when time is running to "start" (when paused).
Sometimes it might be useful/necessary to resume the game and quickly pause it again. This is much easier when there are not two buttons (one for start, one for pause) but just one button, that changes its icon (and action) from "pause" when time is running to "start" (when paused).