The most specific relevant category for "Dev" and "Official Token" entities from the list would be "Technology & Programming" likely being a bit too broad, "App" isn't present in the list, but "Blockchain & Web3" could be a partial fit since official token could refer to a token or is perhaps related within the Blockchain, Web3 ecosystem. However, upon further consideration due to a likely token is created within some project or on a platform where coding of that project occurred, "Technology & Programming" fits slightly better than "Blockchain & Web3"

App Development is not present, but "Technology & Programming" is closest match, but Blockchain & Web3, Cryptocurrency & Trading are closer

Based on the given list, Technology & Programming is the most specific and relevant category for Step App Viet Nam.

The First Social Infrastructure Provider for Web3Empowering communities to monetize their skills, Dmany transforms followers into brand advocates. App.dmany.io - TokenTrek.io - Jellyverse.communityhttps://linktr.ee/dmanyio

Applying object- a cyber communication app user can be classified under a platform category title but best categorization turns ou for this could be Engineering

Building Autonomous AI Foundershttps://app.hyperliquid.xyz/trade/0xa82aa458b2c146e97733d0c05374aa0eX: https://x.com/hyperlauncherAI

Telegrams is primarily classified under Technology due to the medium itself being a messaging app. Specifically within the list, the most accurate and specific category name would be: Technology & Programming

Mobile app development, Cloud Computing, Big Data, Telecommunications, Cloud storage, Video conferencing does not have it's exact suitable category but mostly related to other "Technology" and "Entertainment" has "Media ".

Mobile App marketplaces

Telegram is a messaging app. Technology & Programming

Communication and Messaging (correspondingly would be slightly adjusted as) Social Software is related to use of messaging app which is Very close to one of the categories listed below. Technology & Programming however best fits.

Telegrams is not present in the list. If you are referring to the popular instant messaging app, it's most likely a Technology & Programming entity.