Yes. Hinglish means Hindi written in English (Latin) letters, and it is one of the built-in languages for AI writing.
You can choose it in two places:
The source can be a Hindi or an English feed. Hinglish needs AI, so it works only in campaigns that rewrite with AI. Test a few posts as Draft first to check that the style suits your readers.
Start with 25 free posts — no credit card needed.