That is not an application that is a wm6.5.3 based rom and it is not for the HD. You were linked to the relevant posts above on what you need to do to flash to a new rom and where to find roms for the HD. Please don't ask questions that have already been answered for you.
In the last few months, we’ve talked about quite a few Sony Honami-related projects. … more
27 Aug 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?