Use the actual menu and movement response to inspect a robot-game premise.
The advertisement is broader than the controls
Spider Robot Transformation advertises robot battles and transformation themes, while the supplied control field only gives movement keys. That mismatch is worth noticing before you search for an assumed ability. The title does not document how or when a transformation occurs, whether it is player-controlled or what actions are available in a particular scene.
Establish the movement you actually have
After reading the in-game instruction, use a small directional input and observe the controlled object. Note whether the keys move the character, vehicle or another selected form. This gives a concrete starting point for understanding the task. It is more informative than pressing many unrelated keys and treating any animated change as proof that you discovered a hidden command.
Look for an explicit ability instruction
If a menu, prompt or button describes changing form, read its condition before making it part of your plan. An unavailable ability and an unfamiliar input are different questions. The source does not provide a reliable combat map, a transformation key or a verified feature list. This note therefore offers an interface-reading approach rather than a tested battle strategy, a claim about available forms or an assurance that every promotional comparison is present in the supplied game.