Need UI design for mobile app

Hi We are looking for an app mockup for 3-4 screens as per description below. Pls note that this design is for blackberry platform and you should have worked on blackberry app UI design before to understand the requirements of the platform. The budget for the project is 50 USD and if you feel that is not enough pls DO NOT bid. 1. Splash screen - An introduction screen with a professional look. This is an enterprise app for large and medium scale business organizations. 2. Login screen - Only username, password textbox and Login button required. 3. List screen - Will show a list of items. 4. Form screen - A few form fields like textbox, radio button, dropdown, checkbox etc. with a Submit button Pls note the following BEFORE bidding: 1. I ll need to see your blackberry app designs as demo in order to understand your capabilitites and experience. 2. Payment after work completion as per following mode: a) When the design is finalized, you send us the original PSD and JPG files in a password protected zip. b) We transfer the funds to escrow. c) You send us the password to the zip file d) We relase the escrow. 3. We are here to do serious business and not steal your designs or ideas so pls feel free to share. 4. We are a mobile app development company and looking for long term freelance designers since we have upscaled our operations. Happy Bidding.