1. Online Game JAVA for PDA WAP for Mobile Phone

2. Java for PDA  Hardware limit - Java API Power Memory  JDK 2M byte. Connectivity Display size

3. Architecture of the Game

4. Online Go Game  There are some online Go games that provide functions of Go match via the Internet for online users.  They run on the combination of any web browser and any personal computer.  They and other conventional online Go games cannot run on the PDA.

5. Architecture  Go Server  Go Client for PC  Go Client for PDA

6. Technical Features  Go Server sends messages to the clients at the same time.  Go Client for PDA ’ s GUI was designed for small display devices.

7. Communications among Server and Clients

8. Online Game Technologies

9. Game Technologies

10. Wireless Online Game Technologies

11. The Wireless Application Protocol WAP is designed to work with most wireless networks such as CDPD, CDMA, GSM, PDC, PHS, TDMA, FLEX, ReFLEX, iDEN, TETRA, DECT, DataTAC, Mobitex, etc.

12. WAP Game Foundation Classes

13. The CYC Platform  CYC client : The clients are Java applets loaded by Web browsers.  Game server : A player must login from a game Web site.  Database server : The database server stores players ’ personal data and settings of game lobbies.

14. The Constraints of Wireless Games

15. The WGDP Architecture

16. Authentication Messages  Authenticate the player  Register a WAP client agent

17. Game Messages

19. The GUI design of the Connect-4 game