About Face 2.0(c) The Essentials of Interaction Design

Think about how a digital device will be held and carried.

Determine early whether a device will support one-handed or two-handed use.

Consider whether a device will be a satellite or a standalone.

Avoid use of pluralized and pop-up windows on devices.

Strive for integration of functionality to minimize navigation.

Touch screen controls should be large and bright.

Use large, sans-serif fonts on small, low-contrast screens.

Don't require dragging on touch screen interfaces.

Don't require shifting input modes on handheld devices.

Clearly indicate when there is more data off screen in device interfaces.