[aamoyg]

I have a large doubt regarding this-- what about Hindi-English hybrid?

Spanglish has been around for a long time, so while it may have the most number of potential speakers at almost half a billion Hispanophones, there are about a quarter billion Hindi speakers, and even more than that when you include the variants and offshoots of it which are linguistically compatible which have English hybrids. As more people are exposed to English media in countries that speak those languages I can see it being a "faster growing linguistic hybrid". Places that already have a lot of exposure to English media would already likely have English language hybrids.