Mobile App Chat/GPS/Pictures IPhone AND Andoid

Needed: Iphone AND Android application Currently I'm looking for mobile developer, which can develop the following application. Once the application is started, you will get a login screen. If login is successful, you can request a session ID (there are different session durations, like 2 hours 24 hours or permanent) and can proceed to main screen. Main screen - will send automatically GPS location (with session id) data each 30 seconds to the server. - Furthermore the main screen has chat functionality, meaning, that you ping server with session ID each 30 seconds to see, if there are new messages. The mobile user can also send a text chat back to server. - Snapshot [login to view URL] will be a camera button, if you press it, the mobile phone takes a photo (or video) which is directly sent to server - Furrhermore you have a settings menu for different settings, like predefined ringtones and application wallpapers Communication with server should be all over HTTP, with standar format like JSON, XML, ... All serverside stuff (login function, chat message check and so on) will be provided by customer. Furthermore all grphic work will be provided by customer Please do only bid, if you can handle IPhone and Android app, and you can show at least 2 references on both devices!