Voice Changer App for Android

I want a simple Voice Changer application for android ( based on Applying funny sound effects to your voice!.) Voice Changer allows you to record your voice or any other sound using the phone's built-in microphone and apply funny effects to it. I want something simillar but not exactly ( i want something unique) to this example : [login to view URL] When the user open the app firstly will go to main page that contain start and more app and share buttons. You should provide the app with resources like graphics, icons, sounds and others. I need voice effects as much as possible like: Evil, Alien, Chipmunk, Robot, Slow, Helium, Deep, Reverse, Talk into Fan, Robot Mouse and Echo effect, WOMEN's and MEN's voices and more. Change your SPEECH SPEED Add Background sounds: AIRPORT, BATTLEFIELD, CROWD, RAIN, STREET, AIRPLANE and more. Effects can be shared with friends via e-mail/instant messenger, bluetooth etc., stored as a favorite for later playback or set as a ringtone! I want the full source code . Rating dialog box to rate the app in the google play market as the one in the image attached that appear in application exit.