HTC HD2, which was the flagship device during Windows Mobile days is still alive and kicking. The folks over at XDA-Developers forums have ported various Operating Systems on HTC HD2. The list includes various versions of Android, Windows Phone 7, Windows Phone 8, Windows RT, Firefox, MeeGo and more.
At MWC last week, Nokia announced Nokia X series of devices running a customized version of Android based on AOSP. This custom Android OS from Nokia X was also flashed on HTC HD2 and it booted fine as you can see in the image above. Read more about it from the link below.
Source: XDA Developers