Don O'Brien

This Tablet App has images and sounds for nine New Zealand native birds. As well as the individual birds, there are also "Duets".免費玩New Zealand Bird S …

Use this App to study the movement behaviour of a large animal like a horse.This App sends data from the Android GPS to a server where it is stored in …

This is a simple program that people can use to get GPS status and co-ordinates.There will be a companion educational web site soon at http://dondemos …

This is a pre-school game that helps young children to associate numerals to quantities and the spoken sound of the numeral.It covers the numerals 1 - …

In the Southern Hemisphere, this App will let you find true North and other compass points.免費玩Navigate with the Sun APP玩免費免費玩Navigate with the Sun App …

This application shows people how to build and operate a Solar Compass. It includes a calculator with Google Maps to supply the Solar Angle (Azimuth). …

This replaces the Animal Tracker App from Don O'Brien.Use this App to study the movement behaviour of a large animal like a horse.This App sends d …