Yes, you can Live Trade on Spiking.
However, the ability to place orders is only available for iOS on US market for now.
We are working hard to support linking on Android as well as other stock market.
We currently support these brokers: E*Trade, Fidelity, Scottrade, TradeStation, Tradier Brokerage, Interactive Brokers, Ally Invest, DriveWealth.
Generally, we can support all functionality that your broker supports. We will first offer market and limit orders for securities (stocks, CFDs, and ETFs).