There is a Intro to Paper 2D video tutorial located here which will walk you through Paper 2D concepts and setup:
There is also a project on the Learn Tab of the Launcher created by Zak P. called Unreal Stick Figure 2D:
Here is the Twitch Stream where he talks about it:
You can take a look at the UMG Quick Start for how to Setup an in-game HUD:
Check out the following for importing:
And the following for Migrating assets from existing projects into your own (useful if you want to take assets from one project and pass them to your own):
https://docs.unrealengine.com/latest/INT/Engine/Content/Browser/UserGuide/Migrate/index.html