The way we've come up with, to make an easy spot if something is an app or not is on the base. We use clear bases with some white/black patterns for apps. The models themselves are either transluscent or painted in bright shiny colors.
Iduro app - Lemmy the Legend as an app, absolutely guaranteed to bring in a crowd.
Black ICE made ready for the Electronic Redundancy scenario. A Reaper Bones transluscent miniature, had a layer of clear varnish spray first and then red wash.
White ICE, four Reaper Bones transluscent adventurers, base coat of clearvarnish spray and then a layer of blue wash.