Touch screen is a screen display that responds and is sensitive to the touch of a finger or stylus and provides direct interaction with information. It is most widely used in automatic teller machine (ATM), interactive displays in retails environment, GPS systems, computers, and recently in mobile phones. Penetration of touch screen mobile phones has made a significant jump especially after the introduction of Apple’s i-phone. Touch screens can be easy to use with almost no training or less training if application is designed appropriately.
There has been development of touch screen in almost all possible areas of mobile application, health care, railway and bus route information application, museum, touch screen devices as city guides, office environment, educational application, industrial control panels, entertainment sector, gaming, computers and laptops, house hold appliances and many more.
In the current scenario, due to technological advancement and ease of use, a wide variety of touch screen devices are available such as mobile touch devices, tablets, interactive kiosks, large wall mounted, free standing and encased touch screen devices. Here, we introduce you to touch screen technologies, finger and touch target consideration, patterns and gestures used to make touch screen interfaces and design consideration of designing touch screen interfaces.