HiLo Media producer Chuck Heilig created this iOS screencast demo video about StumbleUpon for iPhone. View all the videos we’ve done for StumbleUpon... HiLo Media producer Joseph Nilo created this screencast demo video about photo editing in the Art Studio app for iPad. View all the iOS demo videos for Lucky... HiLo Media created this iPhone app screencast demo video for CleverLotto. HiLo Media producer Chuck Heilig created this video for the Air Show app for iOS. HiLo Media producer Chuck Heilig shot and edited this video for NYC-based clothing label State.