FileHippo supports: English, Español, 日本語 (Japan), Polski (Polish) but Ketarin download only English versions. Is possible too make it more "flexible"?
Example:
English - xttp://filehippo.com/download_firefox/download/b3b6cea3c79e35fa8c90e5eef8fed13c/
Español - xttp://filehippo.com/es/download_firefox/download/7788df542748fc8feb21a12f14dd6a8d/
日本語 - xttp://filehippo.com/jp/download_firefox/download/00d17330eff399f8b1f900eddf974cf4/
Polski - xttp://filehippo.com/pl/download_firefox/download/71f0875897c07864201331a1bace036e/