This app makes writing long and/or complicated text messages much easier and faster. I like how I can lookup my iPhone contacts from my computer, select and dial or text quickly. Its a nuisance that I have to press send on the iPhone for texts, but I think this is a limitation of the iPhone. Copying notes & photos from my PC is a breeze (no cables or iTunes) and I can quickly copy from the iPhone as well, which I found very helpful when I wanted to add a photo to an email I was sending. It is easy to use. I highly recommend it to anyone that spends time on their Windows PC, and wants an efficient way to send text messages, dial and transfer information between their PC and iPhone.
VirginiaG149 about SMS PC HappyFingers : iPhone on your desktop