In short, it's the typical corridor needle. The first room consists of various standard jumps, a small amount of which requiring the player to one frame (e.g. a double invert). The second room is a much smaller box with two or three saves, the first being a water multi-gate corridor which, while with my current skill level is not an issue for me, will probably be a snag in many people's playthrough, assuming they managed to beat the previous screen without quitting. The clear screen gives you pictures of tomatoes, which was slightly humorous, but obviously wasn't enough to make playing this game worth it.
I'd only recommend if you want to practice needle.