What is the catch with microSD cards that have NFC support and will my Xiaomi Mi A1 support it? I recently bought myself a Xiaomi Mi A1. Because it has a microSD card slot I'd like to buy a card. I noticed that some have NFC. Is it worth It? Is this real NFC or just a gimmick feature to buy such cards? 

Will my A1 with Oreo recognize it and enable it or do I have to use apps to get this working, if this purchase would make a sense? 
An example of the card.
Mi A1 does not have NFC support. See specs here so it doesn't make a difference what card you buy. How you plan to use the card (external storage or adoptable-storage ), what you plan to store on it are important factors in deciding which card to buy. See  second question linked below for help

I am using a Samsung card and it is recognised. You don't need to use an external app

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