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Please recall (factor in) that to purchase such a phone, for roughly a kiloBuck, in and of itself shows a lack of mental acuity. Spending time picking out just the right color emoticon fits in perfectly with that sort of intellectual development (intelligence gap)
I don't use chat apps a lot but when I do and someone sends me a skin-tone adjusted emoji, I try to respond back with one indicative of my skin color. I just assumed that's what is considered correct chat etiquette these days. Now, it's difficult to get it right as the colored emoji versions are a limited pre-determined set. They don't let you pick an RGB value for it. Perhaps they should.