Aye bud welcome to the community,
Mall game fun shit broski, to answer your question about the cues and how do you know if there workable or not. You simply just need to start a conversation, especially being an AFC and all, girls could give you false cues or not even give you one at all, so how would you know if there workable or not if you dont try to initiate a convo?
But a really good site to check out for day game is
http://www.daygame.com/ it could truly help you out broski.
Happy hunting
-Fate