It outputs the version of specified application on the specified platform.
If you want to know the version of 'Clash of Clans' on Android, you check an identifier -- 'jp.anim.wallpaper080901' in this case, in the url of this app on Google Play, and run this script with specifying the app identifier and '--type android' as its option.
$ ./appver.js 'jp.anim.wallpaper080901' --type android
1.0.0
and if you want to know it on iOS, check the identifier in the same way and run the script with the identifier and '--type ios' as option.
$ ./appver.js '529479190' --type ios
4.74
In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.
(Nothing yet)