Application for Android - Iphone -Windows Phone Search Feed-Rss

Application for Android-Iphone-Ipad-Windows Phone I need an application that the user will receive updates on your mobile through feeds. Application steps 1-display to the user a form where he will put keywords and save those words. 2-the application will query a list of feeds/rss and find posts and text in the feed/rss containing the words that the user entered. 3 the application will return to the application a list for the user of the posts/texts which he found through his research. 4 the results should appear to him, and have his option send to colleagues or friends via email or social networks. 5 the application has to have a page to send a message to contact and another to configure keywords update schedule how often should update. 6 must have support for ads. 7-I don't have the design it so when you hold an offer for the project, keep in mind that you must accomplish his design too.