Enter your trade into the app and presto, you own the stock without any commissions or trade fees. While Robinhood does not give you access to a full range of investments like mutual funds, it works great for stocks and ETFs, and recently added support for Bitcoin. If you do not use Google Sign In and instead use other medium for Signing In, then «Identity» permission will not be executed. But then again, this is just a simulation. In this simulator, everything is virtual, there is therefore nothing to lose.