Methods and devices for information acquisition, detection, and application of foot gestures

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An information acquisition device, comprising:

• an information acquisition member configured to acquire information related to foot gesture features, the foot gesture features including one or more of a foot pointing direction of each of a user's one foot or both feet, a foot touch state of a of user's one foot, and a foot touch state of a user's both feet, wherein the foot touch state is determined based on whether one or multiple parts of a user's foot sole touch or press a supporting platform, the supporting platform including the ground;
• and
• a communication member configured to send the acquired information related to the foot gesture features to an electronic device for a foot gesture detection.

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