... percent of the apps costing less than the $10 barrier. OctoberDuring the late part of October, the number of down-loads (200,000) and the number of apps available (7,500) nearly doubled from the ... sounds, animations, and thematic music.As a general rule of thumb, the more of a “game” your app is, the greater amount of art and audio you’ll need, with art usually being the much, much bigger ... another type of artist is needed — artists who are good at drawing and positioning layouts. These artists will usually work in tandem with the designer (more typically near the beginning of...