Please see the bug report at https://phabricator.wikimedia.org/T76892. This task involves converting API modules for the QuizGame extension (https://www.mediawiki.org/wiki/Extension:QuizGame) to use internationalized help/documentation. https://www.mediawiki.org/wiki/API/Architecture_work/i18n documents how to convert the modules, and there are example commits linked on the bug report that also do conversions for similar extensions.

Students are required to read Wikimedia's general GCI instructions at https://www.mediawiki.org/wiki/Google_Code-in_2014#Instructions_for_GCI_students first!