Abstract: Systems and methods for seamless transitions between game types for portable computer systems. In accordance with a first method embodiment of the present invention, a computer implemented method includes determining a location of a mobile device, determining a legal jurisdiction of the mobile device based on the location and automatically presenting a legal type of game to a user of the mobile device based on the legal jurisdiction. The method may include sending the location of the mobile device to an external computer system. The determination of a legal jurisdiction of the mobile device may be performed external to the mobile device.

Abstract: Graphical user interface for on-line gaming is disclosed. In accordance with a first embodiment of the present invention, a graphical user interface includes a representation of a playing field, a plurality of player icons on the representation of a playing field for selecting to wager on a specific player. Each of the player icons includes a player number. The graphical user interface also includes a plurality of player group icons on the representation of a playing field, located among a group of the player icons, for selecting to wager on a group of players represented by the group of the player icons. The player group icon lacks a player number. The graphical user interface further includes a countdown timer for displaying the duration of time remaining to make a wager.

Abstract: Systems and methods for on-line multi-player interactive wagering. In accordance with a first method embodiment of the present invention, a computer-implemented method includes selecting an event as a subject of a wager, accepting, from more than one player, a position on a micro event of said event, comparing each of said positions to an outcome of said micro event and awarding or subtracting points to an account of each of said more than one player according to said comparing. The accepting, comparing and awarding are repeated for at least two different micro events of said event. The computer-implemented method further includes distributing winning earnings to an account of said more than one player based on a comparison on points accumulated in all accounts of said one or more players.

Abstract: System and method for on-line wagering on real-time events. A computer-implemented method includes displaying, on a display coupled to the computer, at least a portion of a list including available wager categories. The available wager categories correspond to real-time events that are subject to wagers within a gaming system. First user input is accessed at the computer to select one of the available wager categories from the list of available wager categories. Responsive to a selected wager category, a plurality of images of available real-time events of the selected wager category is displayed on the display.