Mobile industry is the fastest growing industry now and is growing at a very rapid pace.Various companies are coming with new devices and new innovations are made due to the competition. Companies like apple, samsung ,htc ,sony,huwaie,etc are fighting for the top spot for the smartphone market share. Also the competition is such that the companies are fighting for patent rights. The hardware is becoming much powerful ,the displays are becoming more crispier also the phone are getting slimmer and lighter.Now a phone boost a quadcore chip which works like a pc.Various OS's are there in market like ios,android ,windows ,symbian ,etc. Though ios and android are the most used os in smartphones.These OS's supports lots of application and games and have there app stores for the consumers . Also various other features are coming in the smartphones now which gives user flexibility to use . Mobile industry is growing at exponential rate and will continue to grow because portability is what makes it a must want.