RLM Ad Network API supports 5 platforms such as Android, IPhone, Symbian, J2ME and OPhone. Each platform consists of API library, Developer Guide and samples for the developers. This API intended to provide for developers a possibility of getting Ads from the server side and displaying them on the handset. API provides such possibilities as placing an Ad at any screen position, On-click event handling, displaying several Ads inside one placeholder and rotating them with specific time.