Patent ID: 8376853

Claim:
A handheld device, comprising (a) a display screen; (b) a touch sensitive system configured to detect and generate first signals representing a finger (i) touching the display screen, (ii) moving across the display screen, and (iii) lifting off the display screen; (c) an orientation detection system configured to detect and generate second signals representing a spatial orientation and movement of the hand held device; (d) a microprocessor configured to: display at least one target on the display screen; display a sling shot on the display screen, the sling shot including a frame, an extendable sling, and a projectile releasable from the sling; receive the second signals and adjust the orientation of the sling shot on the display screen when the spatial orientation of the handheld device is adjusted; receive the first signals and distend the sling when a finger is placed on the display screen over the sling and is slid over the display screen, and release the sling and propel the projectile from the sling toward the target when the finger is lifted from the display screen, wherein the sling is displayed distended by an amount based on an amount the finger is slid over the display screen and the projectile is displayed moving a distance across the display screen based on the amount the finger is slid over the display screen; detect a direction the finger is slid over the display screen and display the sling distended from the frame at an angle based on the direction of the finger is slid over the display screen; determine a path for the projectile based on the amount the finger is slid over the display screen and based on a direction the finger is slid over the display screen; and display a line showing the path for the projectile.