TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.

Duet Display - With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.

Warlight - Warzone is a customizable Risk-like strategy game where you compete with your friends to conquer the world.

Luna Display - Hardware that turns the iPad into a wireless second display

Domination - Domination is a game that is a bit like the well known board game of Risk.

iDisplay - iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.