you have to install it but its free so yes and no
i think no
JavaScript comes pre-installed with the browser that Android runs by default. It cannot be "installed" and "uninstalled" on its own. You may be trying to install Java, the programming language and VMs.
Java script
No, Java script is not needed to play poptropica.
No
There is no flash player available for java mobiles yet.You can only play 3gp/mp4 downloaded videos on micromax q5
When it comes to java script you can simply download it free from the java website. You can also go to CNET downloads and get it free from there.
Java script coding is computer coding, many things require Java, and you need to have Java enabled to view these types of programs.
they have java< javascript and flash
Java script is based on sound.
JAVA Application is the software which provides special games for the mobiles .its centre is at all states of India