Play Munzee - Similiar to Geocaching but requires players scan a QR Codes instead to validate find.

8th Wall - Cross-Platform Mobile AR

Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.

blippar - Blippar is a revolutionary new image recognition platform that lets you capture a real life image and watch it come to life on your mobile device. Just find images with the blipp logo and unlock a new level of interactivity.

FlagStack - You can deploy and capture (virtual) flags all over the world. Join the scavenger hunt and have fun!

Vuforia - Leading Augmented Rreality platform.