Version number 2231 corresponds to VCDS Release 23.11. This is a critical version because it was the first release where Ross-Tech aggressively cracked down on clones using new authentication methods. Ironically, this forced clone developers to innovate. The "VCDS 2231 HEX V2 Clone Repair" refers to the patched loaders and modified firmware that allow a clone to run the latest 23.11 software without detection.
For the "better" performance advertised by sellers, look for the STM32F405 chip. If you are repairing a generic Chinese cable: Version number 2231 corresponds to VCDS Release 23
Copy the contents of the Cracked_Loader_2231 folder into your VCDS installation directory. Overwrite the existing VCDS.exe. Version number 2231 corresponds to VCDS Release 23