JAJU657 December 2018
With a song playing, touch the slider and quickly swipe your finger right and release to select the next song. Make sure you move the minimum required distance. Quickly swipe your finger left and release to select the previous song. Experiment with various starting positions. You should see this function works independent of where you start the gesture.
NOTE
The slider resolution is 1000 points. The swipe gesture requires that your finger move a minimum distance of 50 points.