public void setOpenCLPlatformChooser(Class<? extends PlatformChooser> chooser) {
        putString("OpenCLPlatformChooser", chooser.getName());
    }
Sets a custom platform chooser. This chooser specifies which platform and
which devices are used for the OpenCL context.

Default: an implementation defined one.

@param chooser the class of the chooser, must have a default constructor
jme3-core/src/main/java/com/jme3/system/AppSettings.java