Your personal electronic items are also frowned upon in the casino. No electronics, including cell phones, can be used while seated at a casino game. The thick walls of most large casinos block cell phone reception anyhow so you have to walk outside to get a dial tone.
What is the most successful roulette strategy? While there is no strategy that can guarantee a profit in the long run when playing roulette, the Martingale betting system is often regarded as the most successful strategy. It is easy to use and can provide good returns.