Best Brokers is a realtime stock market game focusing on fun. Enhance your knowledge of the stock market or test new trading strategies. Virtual stock trading with real life world market data. No in- app purchases. No freemium features. Plain, simple, free app. Stock Trainer uses real markets and. The Stock Market Simulator app gives you the ability to try before you buy. Users can play a simulated version of the real U.S. stock market and.