In ChatPlus, you can change language shown in management screen.
The language we have now is [Japanese], [English], [Spanish], [German], [French], [Indonesian], [Korean], [Portuguese], [Russian], [Thai], [Vietnamese], [Traditional Chinese], and [Simplified Chinese], total of 13 languages.
French (Le français)
Indonesian (Orang indonesia)
Vietnamese (Tiếng việt nam)
Traditional Chinese (中文-繁體)
How to change
You can choose language from profile edit page. After choosing a language, click [Update].