What does '저거애들다잇던데 저게뭐야?ㅋㅋㅋ' mean into English
And also how can I say ' Mina sent to me a message ' in Korean also how can I say 'it's just a game' in Korean and thank u

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'저거애들다잇던데 저게뭐야? There were all the kids of the person. What is that?

I just translated it literally. It is not a standard korean.

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They all have(own) that,  what's that? 
미나가 나한테 문자(메세지) 보냈어.
그거 그냥 게임이야.

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