Placenote is the only SDK that ships with fully functional, ready-to-deploy sample projects that you can use as a starting point for your spatial app projects. Placenote 1.8 ships with the following 4 sample apps:
A basic example of saving and loading a map to create a persistent AR scene.
Build a City
Build a game like Sim City or Minecraft and cover your room with buildings, trees and even a pagoda. Save your design and come back to it anytime.
Leave virtual sticky notes in placed for others to find.
Remember the Tilt Brush app for VR? This sample lets you build an app exactly like Tilt Brush, but in AR.