you easy steps to add voice search to you HTC Desire-
However, the HTC Desire's voice search is actually pretty good and for this reason, we'd strongly recommend that you give it a whirl.
So, to get voice search on your HTC Desire, follow these simple steps.
If you already have a file manager on your Desire, skip to step 3
If you do not already have a file manager, you must install one from the Android Market - we recommend ASTRO File Manager
Download VoiceSearch 2.1 by browsing to
http://bit.ly/cawMCG in the Android Web browser
Browse to the location of the saved file using ASTRO File Manager, then tap on the file (file name: VoiceSearch_2.1.apk) and select Open App Manager
Once the file opens in App Manager, select Install
That's it! You now have fully integrated voice search capabilities on your HTC Desire.
To utilize VoiceSearch, simply tap the search button from your home screen and then tap the new microphone icon that appears on the Quick Search Bar. The microphone icon should also be visible in the HTC search widget.
http://www.ukonlinephoneshop.co.uk/contract-deals.asp?hs=HTC-Desire