As you earn points, you will be able to spend those points on special 'Nintendo' items.
[I copied this from my Tom Nook Point Guide from my group]
but unfortunately this site doesn't allow "tables" so its sloppy.
Nintendo Items and Point cost
You can only purchase one Nintendo item per day, and you are limited to only 100 total per items.
Banana --- Mario Kart series --- 500
Triple Shells --- Mario Kart series --- 800
Yoshi's Egg --- Yoshi's Island Item --- 1,000
Bad Bro 'Stache --- Wario's mustache(wearable) --- 2,500
Toad Hat --- Mushroom Hat(wearable) --- 3,000
Peach's Parasol --- Peach's umbrella --- 4,000
Hero's Clothes --- Link's outfit(shirt-wearable) --- 5,000
Varia Suit --- Samus's outfit(shirt-wearable) --- 5,000
Wario Hat --- Wario's Hat(wearable) --- 5,000
Hero's Cap --- Link's hat and hair(wearable) --- 6,000
Majora's Mask --- wearable helmet --- 6,000
Samus Mask --- wearable helmet --- 6,000
Midna's Mask --- wearable helmet --- 6,500
Kart --- Mario Kart series --- 10,000