Software:
This application was programmed using J2ME (Java Micro Edition), so you should check before installing it in your mobile device if this one can support it.
This means that you have to check if your mobile device has a Java Virtual Machine and if does, check for this specifics requirements (at least) in its “Java Technology”:

•  CLDC 1.1
•  MIDP 2.0
•  Mobile Media API (JSR 135)
• Bluetooth/OBEX for J2ME (JSR 82) (if GPS external)
•  Wireless Messaging API 1.1 (JSR 120)
  

Hardware:
You just need a mobile phone having fulfilled the minimum software requirements and a GPS device (this one can be internal, or external).