App Design Home | Email | Twitter | Instagram. . Where First? Salisbury Make the most of your visit to the historical city of Salisbury with our easy to use heritage guide app. The Code Machine Create codes like a spy. The 4 Dots A simple memory sequence game based on the classic game of Simon. Mornington Crescent Play the popular game from Radio 4's I'm Sorry I Haven't A Clue. Night Fall An addictive platformer designed by father and son. Attack of the Asteroids An Asteroids clone. Behind the Barcode Store text and images with the scan of a barcode.