The upcoming version 2.0.1 ROM for HTC HD2 has revealed, that HTC HD2 could finally be heading to the United States on T-Mobile in the first half of 2010. The files and folders dumped from .nbh file has definite references in the form of a folder named “TMOUS”, which points to a T-Mobile US version of the said device. HTC HD2 was released in Europe and Asia in October of this year for a retail price of approx. US $800 for the unlocked version.

Just found this out via Pocketnow that some folks over at Technology Paradise have managed to extract and port the gorgeous looking Calculator app from HTC HD2 over to all other Windows Mobile based devices. All you have to do now is to download the extracted .cab file and then install it on your phone capable of running Windows Mobile. The Calculator app is suitable for almost all type of Windows phones with any type of resolution (VGA and QVGA) and it also supports both the portrait, and landscape modes.

HTC has finally, in an official announcement unveiled its long awaited high-end mobile device called HTC HD2 which was previously codenamed as Leo. HTC HD2 is powered by Microsoft’s newly released Windows Mobile 6.5 and will be the first Windows phone to feature multi-touch support through HTC Sense (aka HTC TouchFLO 3D 2.5) which up till now was only available on the company’s Android-based handsets like HTC Hero.