To welcome the introduction of Apple’s iPhone 4 today, iMovie for iOS 4 has officially been made available on the App Store.

Steve Jobs introduced the iMovie app during his keynote at this years WWDC conference at the same time as introducing the new iPhone 4. Many of the features from iMovie for Mac OS X are included in the app including the ability to use templates, edit and add audio and video, create fills, and of course export your finished work. A full list of features is below.

You can get iMovie from the App Store now for $4.99.

If you need help getting started, Apple has also made a number of guides for the app available, here are the links:

iMovie for iPhone 4: Frequently Asked Questions

iMovie for iPhone 4: Why are videos shared through the Camera Roll at a lower resolution?

iMovie for iPhone 4: Exporting HD movies from iMovie for iPhone 4

iMovie for iPhone 4 features:

Made for Multi-Touch.
• Tap to add or record video right into your project.
• Drag to trim the lengths of video clips and photos.
• Pinch to zoom the timeline and get a closer look.
• Slide to scrub through the video in your project.

Give it a theme.
• Choose from a selection of themes including Modern, Bright, Travel, Playful, and News.
• Each theme includes a matching set of titles and transitions – plus its own soundtrack.
• Instantly change themes or swap themed elements in your project.
• Titles and graphics automatically update with location data from your video.

Add music and photos.
• Select from included music that matches each iMovie theme, or select from your own song library.
• Enable ducking to automatically lower the volume of background music and highlight audio from video clips.
• Add photos from your own library, or take a picture and drop it into your project.
• Customize each photo with a unique “Ken Burns” panning effect.

Share your movie.
• Export your movie in one of three sizes: Medium, Large, or HD.
• Share your movie on the web in a MobileMe gallery or on YouTube.
• Send your movie to friends and family in an email or via an MMS message.
• Easily sync your movie back to your computer.

[via iTunes