Press and hold your finger on the scanner until the door opens. See related link for screenshots.
check the related link for a video guide for this level.
Hold your finger down on the finger scanner for at least 10 seconds
the missions are random....
you dont.
Put your finger on the scanner next to the door and hold it down until the door opens.
with skill
after passing rubble trouble tokyo level 12
Press the door 12 times quickly You have to morse code SOS on the door. Do 3 fast taps on the door, then 3 times slower, then 3 fast taps. See related link for screenshots.
You need to complete basicly the quest given to you and get 12 nanos.
Just normal ways.Nothing special.
You have to get all 100 vivosaurs to level 12
its easy! lookon u tube