Apple updated its Remote app for iPhone and iPod touch, bringing the current version of the application to 1.1. According to Apple the new version allows you to create Genius playlists and create and edit playlists in iTunes.
Remote lets you control your iTunes library from the iPhone or iPod. You can also control control an Apple TV if you are using one of the devices in your home theater.
Using Remote you can scroll through playlists, artists, genres and search your music. When playing Remote will show you the album artwork of the current song and allow you to adjust star ratings and other settings, just like you would on an iPod.
Remote is a free download from the App Store.