[TAS] Brain Age 2 TAS by Carmealio
This is a tool-assisted demonstration. Author: Carmealio.
Note that the DS is rotated 90° counterclockwise to begin with. After it asks you to flip the DS, the DS is rotated 90° clockwise. A couple DS icons are displayed to indicate this.
TASVideos.org submission: http://tasvideos.org/3405S.html