However, breaking down the Manipuri (Meitei) components of your phrase provides some context into what you might be looking for:

: It might be a specific file format or a niche acronym for digital study resources shared among students.

: This part of the query is highly specific. While "portable" suggests mobile-ready content, "MMMDAT" may refer to:

As the credits rolled, Lairik felt a sense of pride and accomplishment. He had created something truly special, and he knew that his film would help to promote a greater understanding and appreciation of Manipuri culture.