We're not just playing games. You love your PSP. You loved the first edition of this book. If you're ready for more fun, here it is. Check out: Networking hacks that let you IM and speed up multiplayer game action. Awesome audio, video, and image hacks. Game hacks that let you use a single UMD cartridge for multiplayer games. The ever-popular homebrew applications, with secrets for sneaking them past the firmware.