For everyone struggling playing the hard levels (like me) in Superstar Woollim, you might want to read this thread for tips from other players. I read them and try to practice and remember everything whenever I play for hard levels =) https://twitter.com/goldenneth/status/1247868458672390144

This thread too!~ https://twitter.com/solar_ia/status/1247874389640720385?s=19