How to be fast: 1.Use held piece often; treat it as a backup. 2.DPad enables click counting, place pieces by counting presses while you look at what's next. 3.Act on instinct. You'll make mistakes but that's how you git gud.

How to be fast ctd: 4.A clear that leaves a gap is still a clear. 5.Don't worry about gaps, worry about height. The better you get, the higher you can let the stack get. 6.Set up 4 line clears but use 1s and 2s in a pinch.