Once you scan it you will be able to enter the locked room in the old man s house which is junichi masuda s secret base.
Ruby sapphire locked door.
Check the house south from the pokemart.
The first time you visit sootopolis all the doors will be locked except for the pokemon center and poke mart.
Enter the house to the lower right of the pokemon center.
Seen that locked door in pokemon alpha sapphire or pokemon omega ruby.
The door that was locked will now be open.
It s gonna be a doozy.
To unlock the door in the old man s house in mossdeep city you need to scan junichi masuda s secret base qr code.
Head up stairs on the west side of sootopolis until you find steven and wallace.
If you scan a berry go to norman to receive it.
If a trainer is scanned go to mossdeep.
The trainer you scanned will be waiting in the center of the room.
Talk to the old man standing in front of the door.