With not even a press release, Amazon has made the lives of video streaming fans a little bit nicer this week by finally releasing an Instant Video app for the iPad. Could an iPhone app be just around the corner?

Amazon Mobile LLC has released Amazon Instant Video, a free app for the iPad only which allows users to stream thousands of free titles with a Prime membership, or access more than 120,000 videos they're rented or purchased from the Amazon Instant Video store.

"Download purchased and rented videos from Your Video Library for offline viewing on airplanes, road trips, or any time a WiFi connection is unavailable," the app description reads. "Keep track of movies and TV shows to watch later by adding them to Your Watchlist. A selection of top Prime Instant Video titles is included in the app, and you can visit Amazon to add other Prime titles to Your Watchlist.

"Start watching a video on an iPad and Whispersync technology automatically syncs your place between devices, allowing videos to be resumed from where you left off on a Kindle Fire, PS3, PC, Mac, or hundreds of models of connected TVs and Blu-ray players," the app description concludes.

It probably goes without saying, but the Amazon Instant Video app doesn't actually allow you to purchase or rent content -- that still has to be done on the Amazon website. But once you have, content will appear in the app for viewing or download at your leisure.

And before you ask: No, the app currently doesn't allow AirPlay streaming of video -- it's audio only for now, folks. Don't throw away that Roku box just yet!

It's been a banner week for video streaming fans, with Hulu Plus arriving on the Apple TV on Tuesday and Amazon Instant Video for iPad today. Now if we could maybe get the same for iPhone and Apple TV, we could die happy. Well, happier, anyway…

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