'Call me maybe' a little subtle to me.
I know what 'maybe' means well.

but I am not sure about the 'Call me maybe'

Is 'maybe' a adverb or noun?
and is it a kind of an imperative sentence grammatically?

I can imagin what this mean in our native language.
but I want to be more specific.

Does that sentence mean
"call me. but I don't care about you not calling me
(actually I hope you call me, but I can't say it with my own word)"?

in Korean, "전화줄래?"

Question

'Call me maybe' a little subtle to me.
I know what 'maybe' means well.

but I am not sure about the 'Call me maybe'

Is 'maybe' a adverb or noun?
and is it a kind of an imperative sentence grammatically?

I can imagin what this mean in our native language. 
but I want to be more specific.

Does that sentence mean
"call me. but I don't care about you not calling me 
(actually I hope you call me, but I can't say it with my own word)"?

in Korean, "전화줄래?"

Answer

"maybe" is an adverb because it qualifies / describes the verb form "call".

I might say e.g. "Maybe call me if you want to discuss the issue further". I was speaking about a new thing with someone.  They needed time to think more about the issue and so I offered them the option of calling me.

There is a song I heard recently with the line "Call me, maybe" http://www.azlyrics.com/lyrics/carlyraejepsen/callmemaybe.html
Checking the lyrics, the theme is romance and the singer is inviting someone to call her if they would like to progress their relationship.

Answer

In this context I think the word 'maybe' is being used as an invitation to be called, it could be seen as a little provocative, especially if they really want you to call.

Answer

I do not have the context, but it is possible the speaker is expressing the idea that his or her opinion is not firm.

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