Amazon have announced their Official Windows Phone 7 application which lets you to browse and buy products from Amazon.
Designed for Windows Phone
Swipe left or right to slide between product details, reviews,related items and more.
Quickly search millions of products In more than 40 product categories.
Take advantage 1-Click ordering. Prime member support Wish Lists,package tracking and more.
All purchases are routed to Amazonâ€™s secure servers.
I cant find the marketplace link so far, but I will update the post when I find it pops up.
Update: Here is the download link.