sign in + another user profile (E-commerce app) by Prakhar Neel Sharma
Vonn Material Design Mobile UI Kit
Material Design UI for mobile app #MaterialDesign
Fred Carriedo - Conceptual experimental book and conference collateral that addresses the topic of evolution and the future of communication, technology, and design.
Even better way to do profile and contact list functions etc.Can use the bookmarks section for bookmarking topics that he/she wants to go back to and help certain people or finding resources for him/herself.