With tropical fruit like mangoes and kiwi, you’ve got to eat the fruit just at the right time of ripeness. Under-ripe kiwi is suck-your-face-in-puckery-sour and over-ripe mangoes are blah and mushy.
So what to do with imperfect fruit? Slightly cook them for a warm, tropical fruit salsa, “Floribbean” style. (Yeah, it’s a dumb name, but restaurants in Florida use it all the time. It basically means Florida + Caribbean style, if you haven’t guessed already. These days, it really just refers to a tropical dish.)