We need a mobile application for blackberry OS

An apps to prevent unwanted calls, which allows user to Block all scam calls. A user can easily block anyone from calling him. Just one click and user can block the person whom he do not want to talk to, just by adding the number in the list of Black List, all calls by that number will be blocked and this application should be able to play a message of our choice. The application must have following features as: Privacy protection Password protection in app: you can add request Password on starting app and protect your black list with password. Easy reset password with your BlackBerry ID password Block unwanted and spam calls and play an audio message of user's choice or Send calls to hang up on the caller, unique in this Blocked calls don't ring Personal Blacklist Add any phone number Easy add from your Contacts List and Custom add. Statistics: Call received, Call answered and Call blocked. Notification: you can choose to received a notification when the application block unwanted phone call.