Proposal to extend the metadata went out last week.
https://github.com/farcasterxyz/miniapps/discussions/191

The new mini app search is already setup to make use of categories, tags and description.

So far only 9 apps have added a category and 7 have added tags.

PSA for Farcaster mini app devs - if you want to see search for mini apps by categories please add categories and tags to your mini apps. More info here

Developer ecosystem @farcaster, co-founder @bountycaster. Previously: co-founder of Scalar Capital, product at Coinbase, co-producer @ethereumfilm

Developers for Farcaster mini app: Don't forget to include categories and tags for better searchability. More info see website