Add Google Analytics to app / Twitter share / Rate the app

---> ALL WORK NEEDED SHOULD BE DONE THROUGH TEAM VIEWER <-- I have an app which contains Share through Facebook, want to make it to share through Twitter instead of Facebook. - Want to add Google Analytics to the app - Want to add a message box asking for rating the app on app store ---> ALL WORK NEEDED SHOULD BE DONE THROUGH TEAM VIEWER <--