I'm here to tell you all about a new app on the Android market and the app store. This is the Newgrounds Audio Portal app. This app allows you to browse every category, search for songs, download songs, favorite them, and more.
-Browse every page of every single category, sorting by title, score and date uploaded.
-Search by title or artist
-See the top 5 songs of the week
-Add songs to a favorite list
-Download songs for playback in another app
It's available for both Android 2.1+ and iOS 5+ (4.1+ coming soon).
Android market link: Android Market
App store link: App Store
In addition, there are five promo codes available to Newgrounds forumgoers that use iDevices. Unfortunately, the Android market doesn't allow for promo codes, so these are only for iPhones/iPads/iWhatevers.
iDevice promo codes: