In the world of legacy drivers, newer isn't always better, and older isn't always compatible. The is widely considered one of the most stable releases for a broad range of devices built on the DB2010, DB2012, and DB2020 platforms (chipsets used heavily in Sony Ericsson Walkman and Cyber-shot phones).
The 2.2 version is primarily legacy software, most effective for older Sony Ericsson platforms including: Legacy Platforms: Gordon Gate Setup 2.2 0.1 USB Flash Driver Zip