Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
Zappar - Zappar is a clever little app that can see and recognise images and objects in the world around us.
Curious Polls - Answer a question once a day for the chance to win £100/$100
8th Wall - Cross-Platform Mobile AR
Twitter Polls - Polls embedded in tweets
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.