Monopoly Trading Unit - Build & Auction is a replacement for your classic board game's electronic trading unit. Build and auction on your phone the same way as you do with the physical device. Each beginning, and ending of build or auction is notified by a sound, and a sound is emitted 10 seconds before the end of the auction time. By default, the auction timer is set at 50 seconds, but you can set your own time within the limit of 60 seconds.
