This is called as Pig Game and as all games it also has set of rules
1. You need to roll dice and ur score will be added to ur total score till the dice rolls to 1 total score will be reset to 0 and then Player 2's turn will be there.
2. You can hold i u want to after any number of turns.
3. You need to enter the in score (which user has loberty to decide) if not set by defaut its set to 50.