" K aces" actually you meant : Qué haces. It means: What are you doing?
Its short/slang for que haces. Which means what are you doing in Spanish.
There seems to be a typo in the word you provided. If you meant "¿Qué haces?" in Spanish, it translates to "What are you doing?"
It means: And what are you doing right now?
"¿Qué haces allí?" is Spanish for "What are you doing there?"
That sentence seems to be in "Text speak". It should read "¿Que haces? ¿Cómo estan?" This means "What are you doing? How are you (all)?
"You do it very well."
"Q haces yeni" appears to be a misspelled version of "¿Qué haces, Yeni?" in Spanish, which translates to "What are you doing, Yeni?"
It means "What are you doing today?" It should be stated as a question, "¿Qué haces hoy día?".
This is what you meant:¡AH, YA! ¿Y QUÉ HACES? --- Oh! What are you doing? (informal you, singular)
Any way that you do.
"Si ke ases" is informal Spanish slang for "¿Qué haces?" which translates to "What are you doing?"