Android and Iphone a2billingcallingcard Dialer app

Android and iphone callingcard automated dialling must be impleted, the app must be able to change the dialling process to the destination number automatically in the call log the app should be able to run in the backround. and widget to turn it off and off should be available the app should be able to log into a2billing and get the account balance and ability to credit account withing the app the app should be able to display cost of the call before the call is made customer should be able to change payment details in the application customer should be able to change authorised phone number within the application customer should be able to see last 20 call history withing application there should be a like us facebook,twitter,email,sms link within app for customer to be able to tell friends customer should be able to check rate of destinations within the application customer should be able to see credit history within the application the application should be similar to rebtel mobile app and as robust. More Project in Future regarding BLACKBERRY, IPHONE, ANDROID.