Chat app just like line.com should have the same features

General information for the app: Chat app Created Description of every page/module: Chat app just like [login to view URL] should have the features l[login to view URL] must not be different must work with these 3 platform such as iOS apps Android blackberry i will provide the UI for the app Some of the features will not be in the app.i will tell you more details later. if you can not build Backend database do not bid you will go thru a strick interview we know how to build apps so do not try to fool us fake bid will be ignore. You will have 40 days to finish this app and publish [login to view URL] see the document of the details and requirement. You must download the app and understand it. Description of requirements/features: document provided RULE: I will creat all milestone and will not release it until work is complete and I'm satisfy i prefer a phone gap developer.