1 Online game: when trading numbers, ask them for first text or reply back asking for contact pic and you send one too. Easy, normal conversation, takes burden of trying to find what to say first off of them. Has yet to fail me.

2 first date: take a selfie together if things are going good. Share days later. Helps induct yourself into their memory making part of the brain (helps her see you two together)

That is all. Thanks.

On mobile. Forgive brevity.