MIMAS is a platform for creating apps to access multimedia contents via image recognition and GPS location. Get an account from http://scholar-milk.i2r.a-star.edu.sg/mimas-v4/ . Login and create your apps. Download the Snap2Tell app from App Store https://itunes.apple.com/sg/app/snap2tell/id632449681?mt=8 . Login using the same user name and password to run your app.