A free program for Android, by Blue Starships.

The Bridge Bidding Box app is a teaching tool that allows you to create, simulate, and replay any bridge bidding scenario just like a regular game played at the club.

Create your own bridge bidding scenarios, and practice and train with your friends using the app as a teaching tool.

There are four human bidders that will interact with the application. You can use it as a teaching tool and learn about bidding and trading.

You can select the number of human bidders that will interact with the application.

After being the dealer, you can make a bid by tapping the “Tap to Bid” button.

You will automatically reach this menu after 3 consecutive PASS bids.

You can review the bidding made by the previous bidder by tapping the “Review Bidding” button.

You can undo the last bid and perform various resets by tapping the “Undo” button.