Created Unsold Apps

Im seeking to purchase already created android apps that has not been sold to anyone. the source code as well as design all in one not seperate. The apps must be ready to publish to the appstore with a few changes that you must be able to perform, like adding in the ad sdk, share buttons etc. Please contact me with your app name, and what category it fits. im a developer looking for great new apps to add to my collection. I curreently have a app in the lifestyle category and now i am lookingfor great apps in other categories as well as games. I am willing to pay based what the app may be worth. Only the android market