Buying iPhone/iPad/Andoid/Blackberry apps

We wish to purchase iPhone, iPad, Android, Blackberry apps with source code and files each of which is priced ~300$ or less. We are open to buy any app categories, but preferably : 1. Games [especially ones with in-app purchase and posting scores online functionalities] 2. Entertainment 3. Education 4. Lifestyle 5. Utilities Please send me description of the app, screen shots and test version (if available), price and other details. Selection criteria are: A. Idea B. Graphics C. Ease of use D. Robustness of code We look forward to your bids. We look for a long term partner. Selected bidder will be considered for future app purchases and custom app development.