¡¡MY INSANE DISCOVERY!! Hold + and - on your gamepad for a cool strobe effect
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How did you find this out and why does it work???
No clue, just felt like messing with my gamepad
DO NOT do this if you're sensitive about flashing lights btw
staring at my 3ds rn in disapointment
Might be for the SwipSwapMii app that allows you to swap the TV and gamepad screens, my shortcut is + and - so that's my guess
Just tested, it's not SwipSwapMii, so I have no idea.
I really hope you stay on Miiverse cus I also like ALT rock.