I’ve heard that Nucle can’t support CATs and offer to trade right now. Not sure if they will support the NFT marketplace or not when the standard comes out.
Seems like their active in development. Cats will be supported it says “comming soon” in the app.
It’s extreamly simple to use. And doesn’t expose your private key outside of your device. Plus Face ID is nice. It’s more of a cold storage at this point. Off the chain wallet.