Firefox 4 will heat up the battle between the open Web and downloadable apps.
Why? Because the new browser will enable developers to build applications using HTML5 that are similar to downloadable applications currently used on a number of mobile devices. These Web apps will include fully interactive graphics and games.
Firefox 4, which has been downloaded over thirty five million times, boasts a number of improvements:
Mozilla did set up a Web site to showcase some advanced examples of the new browser's rendering engine.
See also the Firefox Video Gallery.