Is this an official Nintendo product?

The journal is branded Nintendo and sold as a Nintendo hardcover journal. Check the seller's listing for official licensing wording if that matters to you.

What kind of paper and ruling does it have?

The listing does not specify page count, paper weight or whether the pages are lined, blank or dotted. Ask the seller before buying if you need a particular ruling.

Will it hold up to daily use?

The hard cover protects the pages and gives a firm writing surface, which helps with daily carry. The binding and paper quality are not described, so heavy use is a gamble.

Is it a good gift for a Nintendo fan?

Yes, if the person likes Nintendo and uses notebooks. The cover design is the draw; anyone fussy about paper quality may prefer a dedicated notebook brand.