General:
* Ki bon? (This is a common and versatile phrase.)
* Ki sa bon? (This adds emphasis and can be used to inquire about something specific.)
More specific options:
* Ki bon dan sa? (What is good about this?)
* Ki bon ou jwenn? (What good did you find?)
* Ki bon ou fè? (What good are you doing?)
It's important to note that "Creole" is a broad term encompassing various dialects and languages spoken in different regions. The best way to understand the specific variations is to consult a Creole dictionary or speaker from that particular region.