1) Download Wallpapers:The Chennai Express wallpaper app is a cool new app that lets users download attractive and appealing high resolution wallpapers of the movie Chennai Express featuring Shah Rukh Khan and Deepika Padukone on your iPhone / iPod touch. The wallpapers are easy to install and can be used to change the look of your lock screen wallpaper, Home Screen wallpaper or both. Whats best about this app is that it comes for Free! So you can give your iPhone / iPod touch a fresh new look with these stunning wallpapers at no cost at all!2) View Trailer:This Chennai Express mobile app can be downloaded to store and view the exciting Chennai Express trailer whenever you want and also share it with your friends and loved ones.3) Activity Zone:This application has 2 mobile apps namely:i) Love Express:Are you the romantic types? If yes, the Chennai Express Love Express mobile app is a must for you. This sweet and cool mobile app lets you write your own love story and upload it for viewing along with your own pictures. The pictures you choose can be pulled from Facebook or uploaded from the pictures stored on your mobile. You can read about all the love stories posted by your friends and loved ones who have downloaded and used this app as well as share your own love story with them. Whats moreThis cool app comes for Free!ii) Puzzle Express:This fun Chennai Express mobile app lets you play jigsaw puzzles on your mobile. Each image of the puzzles is related to the movie Chennai Express. Once you choose a puzzle image, the jumbled pieces of the image will show on screen along with the number of moves and time taken to complete the puzzle through movement on adjacent squares. Download this cool app and start competing with your friends. See who gets the puzzle right with the least number of moves and in the shortest span of time! Check out this game app, it comes for Free!Red Chillies Insider:If you are a fan of Shah Rukh Khan, this mobile app is a must for you. The Red Chillies Insider mobile app lets you view news updates about Chennai Express and other Red Chillies Entertainments ventures which are updated on a constant basis. So download this cool mobile app on your iPhone / iPod touch and stay updated with everything you want to know about Shah Rukh Khan and his Red Chillies Entertainments. Remember This mobile app comes for free!Twitter Stories:The Twitter Stories is a Chennai Express mobile app that gives you Latest Feeds by Shah Rukh Khan, Deepika Padukone and other star cast and crew members of the movie Chennai Express. You can also get to view the latest updates related to the movie Chennai Express with this super cool mobile app. For those of you who are really excited about Shah Rukh Khans forthcoming movie Chennai Express, this mobile app is a must for you, especially if you have a Twitter account. Check out this mobile app It comes for free!