For the main menu, the apps are defined in frodoplayer.ini

There are 10 of these that you can define.

APP1MINI=TRUE
APP1COMMANDLINE=NONE
APP1COMMANDLINEOPTIONS=NONE
APP1PAUSE=FALSE

APP1MINI=TRUE - Goes to mini mode when lauched.
APP1COMMANDLINE=NONE -The path to the application.
APP1COMMANDLINEOPTIONS=NONE -Any commandline options needed.
APP1PAUSE=FALSE -Pause FrodoPlayer on launch


NOTE: These buttons must be added to your skin in menu.ini
The numbers coincide with the apps in frodoplayer.ini

Example:
APP1_LEFT=0
APP1_WIDTH=17
APP1_TOP=87.5
APP1_HEIGHT=12.5