Disclosed in some examples is a method for auction bidding using a mobile electronic communication device, the method including receiving an auction initiation user input, the auction initiation user input including a selection of an item in an auction, receiving a bidding initiation user input, the bidding initiation user input corresponding to being ready to submit a first electronic bid for the item, updating the state of the device to an active bidding state in response to receiving the bidding initiation user input, detecting a first device movement; and submitting the first electronic bid in the auction in response to detecting the first device movement while the device is in the active bidding state.