The operating systems such as Android and iOS are dominating the mobile app-making business. The other native operating systems such as BlackBerry and Windows are trying hard to catch up. There are a lot of innovations in the new methodologies that will take over the present market. The HTML5 is one of them. It is one of the powerful and feature-rich tools used to develop Web as well as mobile applications. The functionality gap between mobile sites and applications will be reduced by it. HTML5 is considered to be the main domain for many cross-platform application development tools such as Apache Rhodes, Cordova, and many others. Various organizations are turning to HTML5 mobile application development. This transformation is done to smoothen the implementation of apps and reduce costs and complexity. These tools are used to create applications which use native features such as GPS, camera, locations, contacts, etc. It will also give flexibility to the developer in developing a User Experience, using scripts and much more.
Features
Offline support
Offline support will include Web storage, application cache, etc which will store HTML, JavaScript, CSS and other media resources, locally. Cache is used to create Web-based applications that work even if the user is not connected to the Internet. JavaScript calculator, Canvas-based games, etc. are considered to be the examples. To provide this support, a manifest file should be created which specifies the application’s resources.

Multimedia
HTML5 adds various form controls, multimedia components, and semantic elements. They have two important tags to support multimedia they are audio and video. The advanced capabilities for streaming video and audio data, animation, and handling graphics are in HTML5.

Canvas
Canvas facilitates the use of graphics without the need for any plugins or other technologies. It includes only JavaScript and CSS. It is used to make images, arcs, charts, graphs etc. Various kind of transformation is also possible using canvas.

Geolocation API
The geolocation API will help the users to share their location with the websites. The information is available about the longitude and latitude on the JavaScript page will be used and is sent to the remote server.

Frameworks for application development
JQuery Mobile
Viziapps
SproutCore
Sencha Touch
JQT (JQTouch)