David Verheyen from Belgium has kindly developed an Android App for controlling Pi Presents from an Android phone or tablet. The source code of the App is here. It can be compiled with App Inventor which is a free program from MIT.
The App is a general purpose program to control Pi Presents. It is very similar to the pp_oscremote.py program. The source code is supplied so you can tailor the App to your requirements, David can also provide the executable.