The latest technological developments in the virtual world of internet and telecommunication have made real the things that were thought to be impossible some years back. The HTML5 and CSS3 have empowered the mobile phones with features that transform them to smartphones. The expectations of the corporate world as well as the web site visitors from the virtual world of internet and the website has increased much fold and to meet those expectations the HTML5 has come into being. As far as smartphones are concerned the major players in the market of smartphones are Google and Apple which are the big names in the 247 Labs mobile app developers Toronto. There is a lot of difference among the operating systems and platforms of smart phones. The businesses and the website visitors want the web applications including the websites to perform as they used to in case of desktop personal computers. One of the purposes served by HTML5 and CSS3 is facilitating the businesses and visitors with web applications and websites that are compatible with different operating systems and platforms.