The game progresses with one organizer and multiple participants. Use separate devices for each. 24 multilingual support, over 300 voice selections (device dependent), simple configuration suitable for business use. It is a party bingo app that emphasizes operability and practicality. ------ Usage: - Use online: Use while connected to the Internet. The organizer issues a connection code in the lottery machine settings and informs the participants. Attendees enter the connection code received from the organizer in their card settings. The organizer will draw lots by operating the lottery machine. The lottery results will be reflected on the participant's card. - Use offline: The organizer will draw lots by operating the lottery machine. Communicate the lottery results to participants. Participants mark the appropriate number on the card. The winner is the order in which 5 cells are lined up vertically, horizontally, or diagonally on the card. ------ Summary for online use: The organizer operates the bingo lottery machine. The lottery result will be automatically reflected on the participant's card. The organizer does not know the state of the participants. Your personal information is fully protected. Participants will self-report if the lines are complete. A smooth and easy bingo tournament can be held. ------ Notes for online use: The lottery machine side connection code is valid for 24 hours from the last operation of the lottery machine. Even if the lottery machine side connection code is within the expiration date, if the lottery machine is not operated for 30 minutes, the card will stop updating. In that case, if you return the card screen to the card setting screen and move to the card screen again, the card update will be resumed. ------ Web page version of the card function: A web version of the card functionality is available below. https://ao-system.net/r?p=103 ------ Development concept: There were the following as problems of the bingo game so far. - Progress is hindered because participants miss the numbers. - Cannot join the game when the participant is in a remote location. - Participants record incorrect numbers. - Participants must concentrate on the game from beginning to end. By using this app, various problems will be solved.