Computer: Use the A S D F G keys to hit the notes. Mobile: Tap the notes when they reach the bottom of the screen to hit the notes. Unfortunately, you cannot hit two at the same time. Extra controls? VR: Aim your cursor at the frets and pull the trigger to hit notes. Console: Hover your cursor over a note and press down your click button. Wristwatch: It should be the same as mobile. Vehicle dashboard: Also touchscreen, just like mobile. Fridge: This one is also a touchscreen.
