The Development Room is a feature of the Metroid: Zero Mission site on Metroid.jp. The background depicts artwork of Samus Aran, Ridley, a Metroid and a Zoomer.
The gallery has tabs to go to more artwork of Chozo relics, the Zero Suit and Kraid and Ridley, in three numbered sub-galleries.
An FAQ by Yoshio Sakamoto answering fan questions. This was translated by the Metroid Database in December 2009 as a Christmas "gift" to website visitors and forumgoers.
Information on the Kick Climb, Shinespark, Bomb Jump and Ballspark is provided here in videos.