Picross Wall is an Android app developed by GREENTREE (8-3, Neungdong-ro 31-gil, Gwangjin-gu, Seoul, Korea). Others apps created by GREENTREE are: Line Pic 2, Picross Town, Picross Wall 2, Picross Wall 3.

Picross Wall first became available on 31 Oct 2014. It is estimated that Picross Wall has been downloaded between 100000 and 500000 times from the Play Store.

Picross Wall 5.5.0 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.