With a large customer base, mobiles and tablets have been an important part of our lives. The momentum the mobile technology has gained over last few years is set to be multi-fold in coming five years. All the markets whether it is Asian market, US market or European market, mobiles and tablets are taking the places of traditional computers. Websites have turned to responsive design utilizing latest design trends followed by great boom in mobile application development spanning several platforms like iOS, Android, Blackberry, Windows. Marketers also have joined the race with mobile marketing on the go. Various Ad Networks have been developed specially for mobiles like Chartboost, Flurry, AdMob, Adfonic, InMobi, MobFox to name a few.