GSAK (Geocaching Swiss Army Knife) - GSAK is the all in one Geocaching and waypoint management tool.
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.
c:geo - c:geo is simple yet powerful unofficial geocaching client for Android devices.
Vuforia - Leading Augmented Rreality platform.