Because JTAG/RGH consoles allow you to modify game files on the fly, you can use "trainers." These are small programs that run in the background while you play Sleeping Dogs , giving Wei Shen infinite health, money, or "Face" XP. Many users find these tools via community forums or specialized Xbox 360 modding sites. RGH & JTAG Identification - ConsoleMods Wiki

Playing on a modified Xbox 360 (JTAG/RGH) allows you to bypass region locks, run the game directly from a hard drive, and utilize community mods or trainers. What "JTAG/RGH" Means for Sleeping Dogs

: Requires very old firmware (dashboard 7371 or lower) and offers near-instant boot times.