An entry in this category is an app that is specifically developed for a mobile device. The app can be developed for any mobile operating system. Students should be able to explain to judges what inspired their idea and how they programmed their app to achieve its intended purpose.

Projects designed as mobile-friendly web pages fall under the Internet Applications category.

The student must be able to run the app on the day of the competition on a device or a mobile simulator.

Software may include, but not limited to: