Is it normal for people to send kiss emojis as friends?

So my fiance is from Spain and the other day while she was on her phone her male friend sent her a message with a kiss emoji at the end. I was very upset and she told me there is nothing to worry about as its common to do that in their country.

I just want to know if this is normal behavior as i am a little bit concerned?

Is it normal for people to send kiss emojis as friends?
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