Bitcoin Trade Simulator is a free Android app developed by Visunia GmbH, available in the Business & Productivity category under the Finance subcategory. As the name suggests, the app simulates Bitcoin trading, allowing users to buy and sell bitcoins in a game-like environment.

The app provides real-time data for the Bitcoin market price, and users can make predictions about whether the price will rise or fall. Users can then make trades by clicking on the Buy or Short Sell buttons. The app also allows users to define the size of their simulated investment and to close trades by clicking on the Sell button to take profits.

It's important to note that Bitcoin Trade Simulator is not an investment app, and users cannot win or lose real money. All transactions and mining within the game are virtual, and the app is for fun and educational purposes only. The app's disclaimer notes that it does not constitute an offer to purchase any securities or currencies or an advertisement for such.