1. Which powerups multiply their scoring by the accrued lane multipliers and which are flat-score/independent? (basically, which powerups are better to wait until later in a song to use because your multiplier is higher, versus ones that give you the exact same score no matter whether you use it in the first measure or the last)
2. Which powerups get their scoring multiplied with super-lane-powerup enhancement and which don't?
3. Which (purple-note) powerups get their scoring multiplied by Point Doubler?
4. Which (purple-note) powerups get their scoring conditionally-multiplied by Jackpot?