Enter the numbers you wish to place bets on. You can choose to use the icon on the left of each board to randomly generate numbers. For Ordinary, enter six digits. For System 7 to 12, enter seven to 12 digits accordingly.

Android version is compatible with Android 2.1 and above. 7M shall not be responsible for any problems in the process of using this app on other mobile platform. 7M shall not be responsible for any problems in the process of using this app on other mobile platform. It's free to download, install and use this app.

Examples of martingales\n\n An unbiased random walk (in any number of dimensions) is an example of a martingale. A gambler's fortune (capital) is a martingale if all the betting games which the gambler plays are fair.

No, but there's no reason they would ever kick anyone out for that. Far more likely, the player would get a comp of some kind to encourage them to play longer.