I GOT A STREETPASS WHILE JUST SITTING AT HOME

i was just sitting at home, with my 3ds laying on my table (on because i played something earlier and i just closed my 3ds) and suddenly my light flashes green!! who runs around with his 3ds in MY NEIGHBORHOOD???

i was just sitting at home, with my 3ds laying on my table (on because i played something earlier and i just closed my 3ds) and suddenly my light flashes green!! who runs around with his 3ds in MY NEIGHBORHOOD???