You need to have as many call to actions in your app to grab users' attention. Moreover, Google also suggests that when creating mobile ads, one should write ad text and a call to action designed which is appealing to the user. It’s also important to make ad experiences mobile friendly with several tactics like click to call and the use of large tappable areas. Mobile users should be given an easy way to dismiss ads so they don’t get annoyed by the add and do not look at the content or have a bad user experience. The most successful ads are those which are derived from the tasks the user is currently performing.\r