I've seen some put it in their tits before. It's especially funny to watch it jiggle when she puts in on vibrate hahahaI've never seen a woman put her phone anywhere but in her face
Tell her a little about yourself, but not too much. Maintain some mystery. Give her something to think about and wonder about when she's at home.
Quote taken from The SoSuave Guide to Women and Dating, which you can read for FREE.