If the resource is a drawable or a colour the background colour of the list can be changed to see how it looks next to a different colour.
This application used to be called Android Drawables.
This is not a drawing app.
Probably only useful to developers :)
WARNING: Internal resources (anything under 'com.android.internal.R') are not guaranteed to be in all devices/android versions. Do not reference them directly in your application or it will crash on untested device configurations.
This app has access to :